diff options
| -rw-r--r-- | source4/lib/replace/cc_features.m4 | 42 | ||||
| -rw-r--r-- | source4/lib/replace/config.m4 | 6 | ||||
| -rw-r--r-- | source4/lib/replace/replace.h | 8 |
3 files changed, 50 insertions, 6 deletions
diff --git a/source4/lib/replace/cc_features.m4 b/source4/lib/replace/cc_features.m4 new file mode 100644 index 0000000000..a109dfb414 --- /dev/null +++ b/source4/lib/replace/cc_features.m4 @@ -0,0 +1,42 @@ +dnl C99 compiler check +dnl ------------------------------------------------------- +dnl Copyright (C) Stefan (metze) Metzmacher 2004,2005 +dnl Released under the GNU GPL +dnl ------------------------------------------------------- +dnl +dnl adapted for libreplace by Andrew Tridgell + +############################################ +# Check if the compiler handles c99 struct initialization, and if not try -AC99 and -c99 flags +# Usage: LIBREPLACE_CC_SUPPORTS_C99_STRUCT_INIT(success-action,failure-action) +# changes CFLAGS to add -AC99 or -c99 if needed + +AC_DEFUN([LIBREPLACE_C99_STRUCT_INIT], +[ +AC_MSG_CHECKING(for C99 designated initializers) +saved_CFLAGS="$CFLAGS"; +AC_TRY_COMPILE([#include <stdio.h>], + [ struct foo {int x;char y;}; + struct foo bar = { .y = 'X', .x = 1 }; + ], + [AC_MSG_RESULT(yes); c99_init=yes; $1], [c99_init=no; AC_MSG_RESULT(no)]) +if test x"$c99_init" = x"no"; then + AC_MSG_CHECKING(for C99 designated initializers with -AC99) + CFLAGS="$saved_CFLAGS -AC99"; + AC_TRY_COMPILE([#include <stdio.h>], + [ struct foo {int x;char y;}; + struct foo bar = { .y = 'X', .x = 1 }; + ], + [AC_MSG_RESULT(yes); c99_init=yes; $1],[AC_MSG_RESULT(no)]) +fi +if test x"$c99_init" = x"no"; then + AC_MSG_CHECKING(for C99 designated initializers with -c99) + CFLAGS="$saved_CFLAGS -c99" + AC_TRY_COMPILE([#include <stdio.h>], + [ struct foo {int x;char y;}; + struct foo bar = { .y = 'X', .x = 1 }; + ], + [AC_MSG_RESULT(yes); $1],[AC_MSG_RESULT(no);CFLAGS="$saved_CFLAGS"; $2]) +fi +]) + diff --git a/source4/lib/replace/config.m4 b/source4/lib/replace/config.m4 index 53eda9e8ed..a846f5168f 100644 --- a/source4/lib/replace/config.m4 +++ b/source4/lib/replace/config.m4 @@ -142,6 +142,12 @@ AC_CHECK_FUNCS([syslog memset setnetgrent getnetgrent endnetgrent memcpy],, [AC_MSG_ERROR([Required function not found])]) sinclude(lib/replace/getpass.m4) +sinclude(getpass.m4) +sinclude(lib/replace/cc_features.m4) +sinclude(cc_features.m4) + +LIBREPLACE_C99_STRUCT_INIT(c99_struct_initialization=yes, + c99_struct_initialization=no) dnl VA_COPY AC_CACHE_CHECK([for va_copy],samba_cv_HAVE_VA_COPY,[ diff --git a/source4/lib/replace/replace.h b/source4/lib/replace/replace.h index 4f0308ce52..1d07361a28 100644 --- a/source4/lib/replace/replace.h +++ b/source4/lib/replace/replace.h @@ -51,9 +51,7 @@ #ifdef HAVE_STDINT_H #include <stdint.h> -#endif - -#ifdef HAVE_INTTYPES_H +#elif HAVE_INTTYPES_H #include <inttypes.h> #endif @@ -257,9 +255,7 @@ char *rep_mkdtemp(char *template); #ifdef HAVE_STDBOOL_H #include <stdbool.h> -#endif - -#ifndef HAVE_BOOL +#elif !defined(HAVE_BOOL) #define __bool_true_false_are_defined typedef int bool; #define false (0) |