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It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. 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These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // See if C++-style comments work. // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' // Does the compiler advertise C11 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" # Check that the precious variables saved in the cache have kept the same # value. ac_cache_corrupted=false for ac_var in $ac_precious_vars; do eval ac_old_set=\$ac_cv_env_${ac_var}_set eval ac_new_set=\$ac_env_${ac_var}_set eval ac_old_val=\$ac_cv_env_${ac_var}_value eval ac_new_val=\$ac_env_${ac_var}_value case $ac_old_set,$ac_new_set in set,) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} ac_cache_corrupted=: ;; ,set) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} ac_cache_corrupted=: ;; ,);; *) if test "x$ac_old_val" != "x$ac_new_val"; then # differences in whitespace do not lead to failure. ac_old_val_w=`echo x $ac_old_val` ac_new_val_w=`echo x $ac_new_val` if test "$ac_old_val_w" != "$ac_new_val_w"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} ac_cache_corrupted=: else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} eval $ac_var=\$ac_old_val fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} fi;; esac # Pass precious variables to config.status. if test "$ac_new_set" = set; then case $ac_new_val in *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; *) ac_arg=$ac_var=$ac_new_val ;; esac case " $ac_configure_args " in *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. *) as_fn_append ac_configure_args " '$ac_arg'" ;; esac fi done if $ac_cache_corrupted; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 fi ## -------------------- ## ## Main body of script. ## ## -------------------- ## ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu # we'll need sed and awk for some of the version commands { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5 printf %s "checking for a sed that does not truncate output... " >&6; } if test ${ac_cv_path_SED+y} then : printf %s "(cached) " >&6 else $as_nop ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ for ac_i in 1 2 3 4 5 6 7; do ac_script="$ac_script$as_nl$ac_script" done echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed { ac_script=; unset ac_script;} if test -z "$SED"; then ac_path_SED_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_prog in sed gsed do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_SED="$as_dir$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_SED" || continue # Check for GNU ac_path_SED and select it if it is found. # Check for GNU $ac_path_SED case `"$ac_path_SED" --version 2>&1` in *GNU*) ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; *) ac_count=0 printf %s 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" printf "%s\n" '' >> "conftest.nl" "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break as_fn_arith $ac_count + 1 && ac_count=$as_val if test $ac_count -gt ${ac_path_SED_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_SED="$ac_path_SED" ac_path_SED_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_SED_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_SED"; then as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5 fi else ac_cv_path_SED=$SED fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5 printf "%s\n" "$ac_cv_path_SED" >&6; } SED="$ac_cv_path_SED" rm -f conftest.sed for ac_prog in gawk mawk nawk awk do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_AWK+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$AWK"; then ac_cv_prog_AWK="$AWK" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_AWK="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AWK=$ac_cv_prog_AWK if test -n "$AWK"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 printf "%s\n" "$AWK" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$AWK" && break done # CITUS_NAME definition printf "%s\n" "#define CITUS_NAME \"$PACKAGE_NAME\"" >>confdefs.h case $PACKAGE_NAME in 'Citus Enterprise') citus_edition=enterprise ;; Citus) citus_edition=community ;; *) as_fn_error $? "Unrecognized package name." "$LINENO" 5 ;; esac # CITUS_EDITION definition printf "%s\n" "#define CITUS_EDITION \"$citus_edition\"" >>confdefs.h # CITUS_MAJORVERSION definition CITUS_MAJORVERSION=`expr "$PACKAGE_VERSION" : '\([0-9][0-9]*\.[0-9][0-9]*\)'` printf "%s\n" "#define CITUS_MAJORVERSION \"$CITUS_MAJORVERSION\"" >>confdefs.h # CITUS_VERSION definition # Check whether --with-extra-version was given. if test ${with_extra_version+y} then : withval=$with_extra_version; case $withval in yes) as_fn_error $? "argument required for --with-extra-version option" "$LINENO" 5 ;; no) as_fn_error $? "argument required for --with-extra-version option" "$LINENO" 5 ;; *) CITUS_VERSION="$PACKAGE_VERSION$withval" ;; esac else $as_nop CITUS_VERSION="$PACKAGE_VERSION" fi printf "%s\n" "#define CITUS_VERSION \"$CITUS_VERSION\"" >>confdefs.h # CITUS_VERSION_NUM definition # awk -F is a regex on some platforms, and not on others, so make "." a tab CITUS_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' | tr '.' ' ' | $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`" printf "%s\n" "#define CITUS_VERSION_NUM $CITUS_VERSION_NUM" >>confdefs.h # CITUS_EXTENSIONVERSION definition CITUS_EXTENSIONVERSION="`grep '^default_version' $srcdir/src/backend/distributed/citus.control | cut -d\' -f2`" printf "%s\n" "#define CITUS_EXTENSIONVERSION \"$CITUS_EXTENSIONVERSION\"" >>confdefs.h # Re-check for flex. That allows to compile citus against a postgres # which was built without flex available (possible because generated # files are included) # Extract the first word of "flex", so it can be a program name with args. set dummy flex; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_FLEX+y} then : printf %s "(cached) " >&6 else $as_nop case $FLEX in [\\/]* | ?:[\\/]*) ac_cv_path_FLEX="$FLEX" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_FLEX="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac fi FLEX=$ac_cv_path_FLEX if test -n "$FLEX"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $FLEX" >&5 printf "%s\n" "$FLEX" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi # Locate pg_config binary if test -z "$PG_CONFIG"; then # Extract the first word of "pg_config", so it can be a program name with args. set dummy pg_config; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_PG_CONFIG+y} then : printf %s "(cached) " >&6 else $as_nop case $PG_CONFIG in [\\/]* | ?:[\\/]*) ac_cv_path_PG_CONFIG="$PG_CONFIG" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_PG_CONFIG="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac fi PG_CONFIG=$ac_cv_path_PG_CONFIG if test -n "$PG_CONFIG"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PG_CONFIG" >&5 printf "%s\n" "$PG_CONFIG" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$PG_CONFIG"; then as_fn_error $? "Could not find pg_config. Set PG_CONFIG or PATH." "$LINENO" 5 fi # check we're building against a supported version of PostgreSQL citusac_pg_config_version=$($PG_CONFIG --version 2>/dev/null) version_num=$(echo "$citusac_pg_config_version"| $SED -e 's/^PostgreSQL \([0-9]*\)\(\.[0-9]*\)\{0,1\}\(.*\)$/\1\2/') # if PostgreSQL version starts with two digits, the major version is those digits version_num=$(echo "$version_num"| $SED -e 's/^\([0-9]\{2\}\)\(.*\)$/\1/') if test -z "$version_num"; then as_fn_error $? "Could not detect PostgreSQL version from pg_config." "$LINENO" 5 fi # Check whether --with-pg-version-check was given. if test ${with_pg_version_check+y} then : withval=$with_pg_version_check; case $withval in yes) : ;; no) : ;; *) as_fn_error $? "no argument expected for --with-pg-version-check option" "$LINENO" 5 ;; esac else $as_nop with_pg_version_check=yes fi if test "$with_pg_version_check" = no; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: building against PostgreSQL $version_num (skipped compatibility check)" >&5 printf "%s\n" "$as_me: building against PostgreSQL $version_num (skipped compatibility check)" >&6;} elif test "$version_num" != '14' -a "$version_num" != '15' -a "$version_num" != '16'; then as_fn_error $? "Citus is not compatible with the detected PostgreSQL version ${version_num}." "$LINENO" 5 else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: building against PostgreSQL $version_num" >&5 printf "%s\n" "$as_me: building against PostgreSQL $version_num" >&6;} fi; # Check whether we're building inside the source tree, if not, prepare # the build directory. if test "$srcdir" -ef '.' ; then vpath_build=no else vpath_build=yes printf %s "preparing build tree... " >&6 citusac_abs_top_srcdir=`cd "$srcdir" && pwd` $SHELL "$citusac_abs_top_srcdir/prep_buildtree" "$citusac_abs_top_srcdir" "." \ || as_fn_error $? "failed" "$LINENO" 5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5 printf "%s\n" "done" >&6; } fi # Allow to overwrite the C compiler, default to the one postgres was # compiled with. We don't want autoconf's default CFLAGS though, so save # those. SAVE_CFLAGS="$CFLAGS" ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then for ac_prog in $($PG_CONFIG --cc) do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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" >&6; } if test ${ac_cv_sizeof_void_p+y} then : printf %s "(cached) " >&6 else $as_nop if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p" "$ac_includes_default" then : else $as_nop if test "$ac_cv_type_void_p" = yes; then { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error 77 "cannot compute sizeof (void *) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof_void_p=0 fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5 printf "%s\n" "$ac_cv_sizeof_void_p" >&6; } printf "%s\n" "#define SIZEOF_VOID_P $ac_cv_sizeof_void_p" >>confdefs.h cat >>confdefs.h <<_ACEOF #define CITUS_VERSION_STR "$PACKAGE_NAME $CITUS_VERSION on $host_guess, compiled by $cc_string, `expr $ac_cv_sizeof_void_p \* 8`-bit" _ACEOF # Locate source and build directory of the postgres we're building # against. Can't rely on either still being present, but e.g. optional # test infrastructure can rely on it. POSTGRES_SRCDIR=$(grep ^abs_top_srcdir $(dirname $($PG_CONFIG --pgxs))/../Makefile.global|cut -d ' ' -f3-) POSTGRES_BUILDDIR=$(grep ^abs_top_builddir $(dirname $($PG_CONFIG --pgxs))/../Makefile.global|cut -d ' ' -f3-) # check for a number of CFLAGS that make development easier # CITUSAC_PROG_CC_CFLAGS_OPT # ----------------------- # Given a string, check if the compiler supports the string as a # command-line option. If it does, add the string to CFLAGS. # CITUSAC_PROG_CC_CFLAGS_OPT { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -std=gnu99" >&5 printf %s "checking whether $CC supports -std=gnu99... " >&6; } if test ${citusac_cv_prog_cc_cflags__std_gnu99+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-std=gnu99 case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__std_gnu99=yes else $as_nop citusac_cv_prog_cc_cflags__std_gnu99=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__std_gnu99" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__std_gnu99" >&6; } if test x"$citusac_cv_prog_cc_cflags__std_gnu99" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -std=gnu99" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wall" >&5 printf %s "checking whether $CC supports -Wall... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wall+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wall case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wall=yes else $as_nop citusac_cv_prog_cc_cflags__Wall=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wall" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wall" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wall" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wall" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wextra" >&5 printf %s "checking whether $CC supports -Wextra... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wextra+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wextra case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wextra=yes else $as_nop citusac_cv_prog_cc_cflags__Wextra=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wextra" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wextra" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wextra" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wextra" fi # disarm options included in the above, which are too noisy for now { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-unused-parameter" >&5 printf %s "checking whether $CC supports -Wno-unused-parameter... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wno_unused_parameter+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wno-unused-parameter case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wno_unused_parameter=yes else $as_nop citusac_cv_prog_cc_cflags__Wno_unused_parameter=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wno_unused_parameter" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wno_unused_parameter" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wno_unused_parameter" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wno-unused-parameter" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-sign-compare" >&5 printf %s "checking whether $CC supports -Wno-sign-compare... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wno_sign_compare+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wno-sign-compare case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wno_sign_compare=yes else $as_nop citusac_cv_prog_cc_cflags__Wno_sign_compare=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wno_sign_compare" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wno_sign_compare" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wno_sign_compare" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wno-sign-compare" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-missing-field-initializers" >&5 printf %s "checking whether $CC supports -Wno-missing-field-initializers... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wno_missing_field_initializers+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wno-missing-field-initializers case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wno_missing_field_initializers=yes else $as_nop citusac_cv_prog_cc_cflags__Wno_missing_field_initializers=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wno_missing_field_initializers" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wno_missing_field_initializers" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wno_missing_field_initializers" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wno-missing-field-initializers" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-clobbered" >&5 printf %s "checking whether $CC supports -Wno-clobbered... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wno_clobbered+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wno-clobbered case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wno_clobbered=yes else $as_nop citusac_cv_prog_cc_cflags__Wno_clobbered=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wno_clobbered" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wno_clobbered" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wno_clobbered" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wno-clobbered" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-gnu-variable-sized-type-not-at-end" >&5 printf %s "checking whether $CC supports -Wno-gnu-variable-sized-type-not-at-end... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wno_gnu_variable_sized_type_not_at_end+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wno-gnu-variable-sized-type-not-at-end case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wno_gnu_variable_sized_type_not_at_end=yes else $as_nop citusac_cv_prog_cc_cflags__Wno_gnu_variable_sized_type_not_at_end=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wno_gnu_variable_sized_type_not_at_end" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wno_gnu_variable_sized_type_not_at_end" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wno_gnu_variable_sized_type_not_at_end" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wno-gnu-variable-sized-type-not-at-end" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-declaration-after-statement" >&5 printf %s "checking whether $CC supports -Wno-declaration-after-statement... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wno_declaration_after_statement+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wno-declaration-after-statement case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wno_declaration_after_statement=yes else $as_nop citusac_cv_prog_cc_cflags__Wno_declaration_after_statement=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wno_declaration_after_statement" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wno_declaration_after_statement" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wno_declaration_after_statement" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wno-declaration-after-statement" fi # And add a few extra warnings { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wendif-labels" >&5 printf %s "checking whether $CC supports -Wendif-labels... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wendif_labels+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wendif-labels case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wendif_labels=yes else $as_nop citusac_cv_prog_cc_cflags__Wendif_labels=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wendif_labels" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wendif_labels" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wendif_labels" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wendif-labels" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmissing-format-attribute" >&5 printf %s "checking whether $CC supports -Wmissing-format-attribute... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wmissing_format_attribute+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wmissing-format-attribute case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wmissing_format_attribute=yes else $as_nop citusac_cv_prog_cc_cflags__Wmissing_format_attribute=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wmissing_format_attribute" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wmissing_format_attribute" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wmissing_format_attribute" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wmissing-format-attribute" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmissing-declarations" >&5 printf %s "checking whether $CC supports -Wmissing-declarations... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wmissing_declarations+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wmissing-declarations case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wmissing_declarations=yes else $as_nop citusac_cv_prog_cc_cflags__Wmissing_declarations=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wmissing_declarations" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wmissing_declarations" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wmissing_declarations" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wmissing-declarations" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmissing-prototypes" >&5 printf %s "checking whether $CC supports -Wmissing-prototypes... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wmissing_prototypes+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wmissing-prototypes case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wmissing_prototypes=yes else $as_nop citusac_cv_prog_cc_cflags__Wmissing_prototypes=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wmissing_prototypes" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wmissing_prototypes" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wmissing_prototypes" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wmissing-prototypes" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wshadow" >&5 printf %s "checking whether $CC supports -Wshadow... " >&6; } if test ${citusac_cv_prog_cc_cflags__Wshadow+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Wshadow case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Wshadow=yes else $as_nop citusac_cv_prog_cc_cflags__Wshadow=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Wshadow" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Wshadow" >&6; } if test x"$citusac_cv_prog_cc_cflags__Wshadow" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Wshadow" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Werror=vla" >&5 printf %s "checking whether $CC supports -Werror=vla... " >&6; } if test ${citusac_cv_prog_cc_cflags__Werror_vla+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Werror=vla case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Werror_vla=yes else $as_nop citusac_cv_prog_cc_cflags__Werror_vla=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Werror_vla" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Werror_vla" >&6; } if test x"$citusac_cv_prog_cc_cflags__Werror_vla" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Werror=vla" fi # visual studio does not support these { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Werror=implicit-int" >&5 printf %s "checking whether $CC supports -Werror=implicit-int... " >&6; } if test ${citusac_cv_prog_cc_cflags__Werror_implicit_int+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Werror=implicit-int case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Werror_implicit_int=yes else $as_nop citusac_cv_prog_cc_cflags__Werror_implicit_int=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Werror_implicit_int" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Werror_implicit_int" >&6; } if test x"$citusac_cv_prog_cc_cflags__Werror_implicit_int" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Werror=implicit-int" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Werror=implicit-function-declaration" >&5 printf %s "checking whether $CC supports -Werror=implicit-function-declaration... " >&6; } if test ${citusac_cv_prog_cc_cflags__Werror_implicit_function_declaration+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Werror=implicit-function-declaration case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Werror_implicit_function_declaration=yes else $as_nop citusac_cv_prog_cc_cflags__Werror_implicit_function_declaration=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Werror_implicit_function_declaration" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Werror_implicit_function_declaration" >&6; } if test x"$citusac_cv_prog_cc_cflags__Werror_implicit_function_declaration" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Werror=implicit-function-declaration" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Werror=return-type" >&5 printf %s "checking whether $CC supports -Werror=return-type... " >&6; } if test ${citusac_cv_prog_cc_cflags__Werror_return_type+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-Werror=return-type case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__Werror_return_type=yes else $as_nop citusac_cv_prog_cc_cflags__Werror_return_type=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__Werror_return_type" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__Werror_return_type" >&6; } if test x"$citusac_cv_prog_cc_cflags__Werror_return_type" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -Werror=return-type" fi # Security flags # Flags taken from: https://liquid.microsoft.com/Web/Object/Read/ms.security/Requirements/Microsoft.Security.SystemsADM.10203#guide # We do not enforce the following flag because it is only available on GCC>=8 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fstack-clash-protection" >&5 printf %s "checking whether $CC supports -fstack-clash-protection... " >&6; } if test ${citusac_cv_prog_cc_cflags__fstack_clash_protection+y} then : printf %s "(cached) " >&6 else $as_nop citusac_save_CFLAGS=$CFLAGS flag=-fstack-clash-protection case $flag in -Wno*) flag=-W$(echo $flag | cut -c 6-) esac CFLAGS="$citusac_save_CFLAGS $flag" ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : citusac_cv_prog_cc_cflags__fstack_clash_protection=yes else $as_nop citusac_cv_prog_cc_cflags__fstack_clash_protection=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="$citusac_save_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $citusac_cv_prog_cc_cflags__fstack_clash_protection" >&5 printf "%s\n" "$citusac_cv_prog_cc_cflags__fstack_clash_protection" >&6; } if test x"$citusac_cv_prog_cc_cflags__fstack_clash_protection" = x"yes"; then CITUS_CFLAGS="$CITUS_CFLAGS -fstack-clash-protection" fi # # --enable-coverage enables generation of code coverage metrics with gcov # # Check whether --enable-coverage was given. if test ${enable_coverage+y} then : enableval=$enable_coverage; fi if test "$enable_coverage" = yes; then CITUS_CFLAGS="$CITUS_CFLAGS -O0 -g --coverage" CITUS_CPPFLAGS="$CITUS_CPPFLAGS -DNDEBUG" CITUS_LDFLAGS="$CITUS_LDFLAGS --coverage" fi # # libcurl # # Check whether --with-libcurl was given. if test ${with_libcurl+y} then : withval=$with_libcurl; case $withval in yes) printf "%s\n" "#define HAVE_LIBCURL 1" >>confdefs.h ;; no) : ;; *) as_fn_error $? "no argument expected for --with-libcurl option" "$LINENO" 5 ;; esac else $as_nop with_libcurl=yes printf "%s\n" "#define HAVE_LIBCURL 1" >>confdefs.h fi if test "$with_libcurl" = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for curl_global_init in -lcurl" >&5 printf %s "checking for curl_global_init in -lcurl... " >&6; } if test ${ac_cv_lib_curl_curl_global_init+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcurl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char curl_global_init (); int main (void) { return curl_global_init (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_curl_curl_global_init=yes else $as_nop ac_cv_lib_curl_curl_global_init=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_curl_curl_global_init" >&5 printf "%s\n" "$ac_cv_lib_curl_curl_global_init" >&6; } if test "x$ac_cv_lib_curl_curl_global_init" = xyes then : printf "%s\n" "#define HAVE_LIBCURL 1" >>confdefs.h LIBS="-lcurl $LIBS" else $as_nop as_fn_error $? "libcurl not found If you have libcurl already installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-libcurl to disable anonymous statistics collection." "$LINENO" 5 fi ac_fn_c_check_header_compile "$LINENO" "curl/curl.h" "ac_cv_header_curl_curl_h" "$ac_includes_default" if test "x$ac_cv_header_curl_curl_h" = xyes then : else $as_nop as_fn_error $? "libcurl header not found If you have libcurl already installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-libcurl to disable libcurl support." "$LINENO" 5 fi fi # REPORTS_BASE_URL definition # Check whether --with-reports-hostname was given. if test ${with_reports_hostname+y} then : withval=$with_reports_hostname; case $withval in yes) as_fn_error $? "argument required for --with-reports-hostname option" "$LINENO" 5 ;; no) as_fn_error $? "argument required for --with-reports-hostname option" "$LINENO" 5 ;; *) REPORTS_BASE_URL="https://${withval}" ;; esac else $as_nop REPORTS_BASE_URL="https://reports.citusdata.com" fi printf "%s\n" "#define REPORTS_BASE_URL \"$REPORTS_BASE_URL\"" >>confdefs.h # # LZ4 # # Check whether --with-lz4 was given. if test ${with_lz4+y} then : withval=$with_lz4; case $withval in yes) printf "%s\n" "#define HAVE_CITUS_LIBLZ4 1" >>confdefs.h ;; no) : ;; *) as_fn_error $? "no argument expected for --with-lz4 option" "$LINENO" 5 ;; esac else $as_nop with_lz4=yes printf "%s\n" "#define HAVE_CITUS_LIBLZ4 1" >>confdefs.h fi if test "$with_lz4" = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for LZ4_compress_default in -llz4" >&5 printf %s "checking for LZ4_compress_default in -llz4... " >&6; } if test ${ac_cv_lib_lz4_LZ4_compress_default+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-llz4 $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char LZ4_compress_default (); int main (void) { return LZ4_compress_default (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_lz4_LZ4_compress_default=yes else $as_nop ac_cv_lib_lz4_LZ4_compress_default=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lz4_LZ4_compress_default" >&5 printf "%s\n" "$ac_cv_lib_lz4_LZ4_compress_default" >&6; } if test "x$ac_cv_lib_lz4_LZ4_compress_default" = xyes then : printf "%s\n" "#define HAVE_LIBLZ4 1" >>confdefs.h LIBS="-llz4 $LIBS" else $as_nop as_fn_error $? "lz4 library not found If you have lz4 installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-lz4 to disable lz4 support." "$LINENO" 5 fi ac_fn_c_check_header_compile "$LINENO" "lz4.h" "ac_cv_header_lz4_h" "$ac_includes_default" if test "x$ac_cv_header_lz4_h" = xyes then : else $as_nop as_fn_error $? "lz4 header not found If you have lz4 already installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-lz4 to disable lz4 support." "$LINENO" 5 fi fi # # ZSTD # # Check whether --with-zstd was given. if test ${with_zstd+y} then : withval=$with_zstd; case $withval in yes) : ;; no) : ;; *) as_fn_error $? "no argument expected for --with-zstd option" "$LINENO" 5 ;; esac else $as_nop with_zstd=yes fi if test "$with_zstd" = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ZSTD_decompress in -lzstd" >&5 printf %s "checking for ZSTD_decompress in -lzstd... " >&6; } if test ${ac_cv_lib_zstd_ZSTD_decompress+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lzstd $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char ZSTD_decompress (); int main (void) { return ZSTD_decompress (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_zstd_ZSTD_decompress=yes else $as_nop ac_cv_lib_zstd_ZSTD_decompress=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_zstd_ZSTD_decompress" >&5 printf "%s\n" "$ac_cv_lib_zstd_ZSTD_decompress" >&6; } if test "x$ac_cv_lib_zstd_ZSTD_decompress" = xyes then : printf "%s\n" "#define HAVE_LIBZSTD 1" >>confdefs.h LIBS="-lzstd $LIBS" else $as_nop as_fn_error $? "zstd library not found If you have zstd installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-zstd to disable zstd support." "$LINENO" 5 fi ac_fn_c_check_header_compile "$LINENO" "zstd.h" "ac_cv_header_zstd_h" "$ac_includes_default" if test "x$ac_cv_header_zstd_h" = xyes then : else $as_nop as_fn_error $? "zstd header not found If you have zstd already installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-zstd to disable zstd support." "$LINENO" 5 fi fi # Check whether --with-security-flags was given. if test ${with_security_flags+y} then : withval=$with_security_flags; case $withval in yes) : ;; no) : ;; *) as_fn_error $? "no argument expected for --with-security-flags option" "$LINENO" 5 ;; esac else $as_nop with_security_flags=no fi if test "$with_security_flags" = yes; then # Flags taken from: https://liquid.microsoft.com/Web/Object/Read/ms.security/Requirements/Microsoft.Security.SystemsADM.10203#guide # We always want to have some compiler flags for security concerns. SECURITY_CFLAGS="-fstack-protector-strong -D_FORTIFY_SOURCE=2 -O2 -z noexecstack -fpic -shared -Wl,-z,relro -Wl,-z,now -Wformat -Wformat-security -Werror=format-security" CITUS_CFLAGS="$CITUS_CFLAGS $SECURITY_CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Blindly added security flags for linker: $SECURITY_CFLAGS" >&5 printf "%s\n" "$as_me: Blindly added security flags for linker: $SECURITY_CFLAGS" >&6;} # We always want to have some clang flags for security concerns. # This doesn't include "-Wl,-z,relro -Wl,-z,now" on purpuse, because bitcode is not linked. # This doesn't include -fsanitize=cfi because it breaks builds on many distros including # Debian/Buster, Debian/Stretch, Ubuntu/Bionic, Ubuntu/Xenial and EL7. 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