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tools/missing-macros/src/m4/mfx_cppflags.m4
41 строка
997 B
Jo-Philipp Wich
missing-macros: add missing serial numbers, split acc.m4 into mfx_acc.m4, mfx_cppflags.m4 and mfx_limits.m4
22 дек 2010, 04:21
22 дек 2010, 04:21
2c125b8
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О чём код?
# serial 1 AC_DEFUN([mfx_PROG_CPPFLAGS], [ AC_MSG_CHECKING([whether the C preprocessor needs special flags]) AC_LANG_CONFTEST([AC_LANG_PROGRAM( [[#include <limits.h> #if (32767 >= 4294967295ul) || (65535u >= 4294967295ul) # include "your C preprocessor is broken 1" #elif (0xffffu == 0xfffffffful) # include "your C preprocessor is broken 2" #elif (32767 >= ULONG_MAX) || (65535u >= ULONG_MAX) # include "your C preprocessor is broken 3" #endif ]], [[ ]] )]) mfx_save_CPPFLAGS=$CPPFLAGS mfx_tmp=ERROR for mfx_arg in "" -no-cpp-precomp do CPPFLAGS="$mfx_arg $mfx_save_CPPFLAGS" _AC_COMPILE_IFELSE([], [mfx_tmp=$mfx_arg break]) done CPPFLAGS=$mfx_save_CPPFLAGS rm -f conftest.$ac_ext conftest.$ac_objext case x$mfx_tmp in x) AC_MSG_RESULT([none needed]) ;; xERROR) AC_MSG_RESULT([ERROR]) AC_MSG_ERROR([your C preprocessor is broken - for details see config.log]) ;; *) AC_MSG_RESULT([$mfx_tmp]) CPPFLAGS="$mfx_tmp $CPPFLAGS" ;; esac ])# mfx_PROG_CPPFLAGS