Define _POSIX_C_SOURCE to be 200112L, as a minimum for C99.
Strict platforms cannot be expected to accept C99 code as valid
when earlier standards versions are selected.
This helps the programs build on Solaris-like platforms (e.g.
illumos).
Fixes #3420
Signed-off-by: nia <nia@netbsd.org>
diff --git a/programs/aes/aescrypt2.c b/programs/aes/aescrypt2.c
index f17c641..b0c1fea 100644
--- a/programs/aes/aescrypt2.c
+++ b/programs/aes/aescrypt2.c
@@ -22,7 +22,7 @@
/* Enable definition of fileno() even when compiling with -std=c99. Must be
* set before config.h, which pulls in glibc's features.h indirectly.
* Harmless on other platforms. */
-#define _POSIX_C_SOURCE 1
+#define _POSIX_C_SOURCE 200112L
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
diff --git a/programs/aes/crypt_and_hash.c b/programs/aes/crypt_and_hash.c
index 1e03d43..5c70480 100644
--- a/programs/aes/crypt_and_hash.c
+++ b/programs/aes/crypt_and_hash.c
@@ -23,7 +23,7 @@
/* Enable definition of fileno() even when compiling with -std=c99. Must be
* set before config.h, which pulls in glibc's features.h indirectly.
* Harmless on other platforms. */
-#define _POSIX_C_SOURCE 1
+#define _POSIX_C_SOURCE 200112L
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
diff --git a/tests/suites/main_test.function b/tests/suites/main_test.function
index ff4cf20..e56191a 100644
--- a/tests/suites/main_test.function
+++ b/tests/suites/main_test.function
@@ -21,7 +21,7 @@
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#if !defined(_POSIX_C_SOURCE)
-#define _POSIX_C_SOURCE 1 // for fileno() from <stdio.h>
+#define _POSIX_C_SOURCE 200112L // for fileno() from <stdio.h>
#endif
#endif
