diff options
Diffstat (limited to 'config/c-compiler.m4')
| -rw-r--r-- | config/c-compiler.m4 | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/config/c-compiler.m4 b/config/c-compiler.m4 index eeb2ee9494..550f831a58 100644 --- a/config/c-compiler.m4 +++ b/config/c-compiler.m4 @@ -1,5 +1,5 @@ # Macros to detect C compiler features -# $PostgreSQL: pgsql/config/c-compiler.m4,v 1.19 2008/06/27 00:36:16 tgl Exp $ +# $PostgreSQL: pgsql/config/c-compiler.m4,v 1.20 2010/02/13 02:34:08 tgl Exp $ # PGAC_C_SIGNED @@ -17,6 +17,30 @@ fi])# PGAC_C_SIGNED +# PGAC_C_INLINE +# ------------- +# Check if the C compiler understands inline functions. +# Defines: inline, USE_INLINE +AC_DEFUN([PGAC_C_INLINE], +[AC_C_INLINE +AC_CACHE_CHECK([for quiet inline (no complaint if unreferenced)], pgac_cv_c_inline_quietly, + [pgac_cv_c_inline_quietly=no + if test "$ac_cv_c_inline" != no; then + pgac_c_inline_save_werror=$ac_c_werror_flag + ac_c_werror_flag=yes + AC_LINK_IFELSE([AC_LANG_PROGRAM([static inline int fun () {return 0;}],[])], + [pgac_cv_c_inline_quietly=yes]) + ac_c_werror_flag=$pgac_c_inline_save_werror + fi]) +if test "$pgac_cv_c_inline_quietly" != no; then + AC_DEFINE_UNQUOTED([USE_INLINE], 1, + [Define to 1 if "static inline" works without unwanted warnings from ] + [compilations where static inline functions are defined but not called.]) +fi +])# PGAC_C_INLINE + + + # PGAC_TYPE_64BIT_INT(TYPE) # ------------------------- # Check if TYPE is a working 64 bit integer type. Set HAVE_TYPE_64 to |