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| author | Rusty Russell <rusty@rustcorp.com.au> | 2012-10-14 16:05:58 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2012-10-17 01:55:14 +0200 |
| commit | 029654897d721308c9ee782aee420abddce7edee (patch) | |
| tree | ef5b7089389130c8e464f3291c40006b452204bc /lib/ccan/libccan.m4 | |
| parent | 05a59748910cc11d43bffbfc4d00fdf3701e2ca1 (diff) | |
| download | samba-029654897d721308c9ee782aee420abddce7edee.tar.gz samba-029654897d721308c9ee782aee420abddce7edee.tar.xz samba-029654897d721308c9ee782aee420abddce7edee.zip | |
ccan: check for all the used config.h defines
In particular, not checking for byteswap.h meant we defined duplicates:
https://bugzilla.samba.org/show_bug.cgi?id=9286
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User(master): Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date(master): Wed Oct 17 01:55:14 CEST 2012 on sn-devel-104
Diffstat (limited to 'lib/ccan/libccan.m4')
| -rw-r--r-- | lib/ccan/libccan.m4 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/ccan/libccan.m4 b/lib/ccan/libccan.m4 index 0d391ad961..7b27c69b81 100644 --- a/lib/ccan/libccan.m4 +++ b/lib/ccan/libccan.m4 @@ -23,6 +23,8 @@ AC_SUBST(CCAN_CFLAGS) # fairly harmless. AC_CHECK_HEADERS(err.h) +AC_CHECK_HEADERS(byteswap.h) + AC_CACHE_CHECK([whether we can compile with __attribute__((cold))], samba_cv_attribute_cold, [ @@ -270,6 +272,19 @@ if test x"$samba_cv_compound_literals" = xyes ; then [whether we have compound literals]) fi +AC_CACHE_CHECK([whether we have flexible array members], + samba_cv_have_flex_arr_member, + [ + AC_COMPILE_IFELSE([AC_LANG_SOURCE( + [struct foo { unsigned int x; int arr@<:@@:>@; }; ])], + samba_cv_have_flex_arr_member=yes) + ]) + +if test x"$samba_cv_have_flex_arr_member" = xyes ; then + AC_DEFINE(HAVE_FLEXIBLE_ARRAY_MEMBER, 1, + [whether we have flexible array member support]) +fi + AC_CACHE_CHECK([whether we have isblank], samba_cv_have_isblank, [ @@ -331,3 +346,4 @@ if test x"$samba_cv_warn_unused_result" = xyes ; then AC_DEFINE(HAVE_WARN_UNUSED_RESULT, 1, [whether we have __attribute__((warn_unused_result))]) fi +AC_HAVE_DECL(bswap_64, [#include <byteswap.h>]) |