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Run with -mno-ms-bitfields if the compiler supports it as the ms-bitfields are turned on by default on some hosts, but they are broken https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3869
This commit is contained in:
Peter Veenstra 2014-06-27 09:02:08 +00:00
parent 544c1a2fe5
commit 730c2d3cd9
1 changed files with 15 additions and 0 deletions
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15
configure.ac
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@ -169,6 +169,21 @@ int x=10;if( __builtin_expect ((x==1),0) ) ;
#switch language back
AC_LANG_POP(C++)
dnl test if compiler supports -mno-ms-bitfields as it is bugged
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
BACKUP_CFLAGS="$CFLAGS"
CFLAGS="-mno-ms-bitfields"
AC_MSG_CHECKING(if compiler supports -mno-ms-bitfields)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
void blah(){
;
}
])],[
AC_MSG_RESULT([yes])
CXXFLAGS="$CXXFLAGS -mno-ms-bitfields"
],[AC_MSG_RESULT([no])])
CFLAGS="$BACKUP_CFLAGS"
dnl enable disable alsa and pass it's cflags to CXXFLAGS
AC_ARG_ENABLE(alsa-midi,
AC_HELP_STRING([--enable-alsa-midi],[compile with alsa midi support (default yes)]),