X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=tools%2Fconfigurator%2Fconfigurator.c;h=7b3403a9d96d50ca43b25abcc0143808f95e1cab;hb=e37b906781eeddb89d2ba6c5c39e9d20e4111c18;hp=7b9652be90ef096045ce1545f84b9c1afa5b05ec;hpb=4db6a6709bb3426466317c04c618bcb8034bb5b5;p=ccan

diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
index 7b9652be..7b3403a9 100644
--- a/tools/configurator/configurator.c
+++ b/tools/configurator/configurator.c
@@ -116,6 +116,7 @@ static struct test tests[] = {
 	  "#include <unistd.h>\n"
 	  "static int func(void) { return getpagesize(); }" },
 	{ "HAVE_ISBLANK", DEFINES_FUNC, NULL,
+	  "#define _GNU_SOURCE\n"
 	  "#include <ctype.h>\n"
 	  "static int func(void) { return isblank(' '); }" },
 	{ "HAVE_LITTLE_ENDIAN", INSIDE_MAIN|EXECUTE, NULL,
@@ -393,7 +394,9 @@ int main(int argc, const char *argv[])
 	printf("/* Generated by CCAN configurator */\n"
 	       "#ifndef CCAN_CONFIG_H\n"
 	       "#define CCAN_CONFIG_H\n");
+	printf("#ifndef _GNU_SOURCE\n");
 	printf("#define _GNU_SOURCE /* Always use GNU extensions. */\n");
+	printf("#endif\n");
 	printf("#define CCAN_COMPILER \"%s\"\n", argv[1]);
 	printf("#define CCAN_CFLAGS \"%s\"\n\n", cmd + strlen(argv[1]) + 1);
 	for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)