diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 77 |
1 files changed, 1 insertions, 76 deletions
diff --git a/configure.ac b/configure.ac index 1feb36db..f5b014f8 100644 --- a/configure.ac +++ b/configure.ac @@ -394,82 +394,7 @@ fi dnl =========================================================================== dnl check compiler flags -AC_DEFUN([SPICE_CC_TRY_FLAG], [ - AC_MSG_CHECKING([whether $CC supports $1]) - - spice_save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $1" - - AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [spice_cc_flag=yes], [spice_cc_flag=no]) - CFLAGS="$spice_save_CFLAGS" - - if test "x$spice_cc_flag" = "xyes"; then - ifelse([$2], , :, [$2]) - else - ifelse([$3], , :, [$3]) - fi - AC_MSG_RESULT([$spice_cc_flag]) -]) - - -dnl Use lots of warning flags with with gcc and compatible compilers - -dnl Note: if you change the following variable, the cache is automatically -dnl skipped and all flags rechecked. So there's no need to do anything -dnl else. If for any reason you need to force a recheck, just change -dnl MAYBE_WARN in an ignorable way (like adding whitespace) - -dnl MAYBE_WARN="-Wall -Wno-sign-compare -Werror -Wno-deprecated-declarations" - -if test "$red_target" = "windows"; then - MAYBE_WARN="-Wall -Wno-sign-compare -Wno-deprecated-declarations" -else - MAYBE_WARN="-Wall -Wno-sign-compare -Wno-deprecated-declarations" -fi - -AC_ARG_ENABLE(werror, -AC_HELP_STRING([--enable-werror], [Use -Werror (if supported)]), -set_werror="$enableval",[ -if test -f $srcdir/GITVERSION; then - is_git_version=true - set_werror=yes -else - set_werror=no -fi -]) - -# invalidate cached value if MAYBE_WARN has changed -if test "x$spice_cv_warn_maybe" != "x$MAYBE_WARN"; then - unset spice_cv_warn_cflags -fi -AC_CACHE_CHECK([for supported warning flags], spice_cv_warn_cflags, [ - echo - WARN_CFLAGS="" - - # Some warning options are not supported by all versions of - # gcc, so test all desired options against the current - # compiler. - # - # Note that there are some order dependencies - # here. Specifically, an option that disables a warning will - # have no net effect if a later option then enables that - # warnings, (perhaps implicitly). So we put some grouped - # options (-Wall and -Wextra) up front and the -Wno options - # last. - - for W in $MAYBE_WARN; do - SPICE_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"]) - done - if test "$set_werror" != "no"; then - SPICE_CC_TRY_FLAG(["-Werror"], [WARN_CFLAGS="$WARN_CFLAGS -Werror"]) - fi - - spice_cv_warn_cflags=$WARN_CFLAGS - spice_cv_warn_maybe=$MAYBE_WARN - - AC_MSG_CHECKING([which warning flags were supported])]) -WARN_CFLAGS="$spice_cv_warn_cflags" -SPICE_CFLAGS="$SPICE_CFLAGS $WARN_CFLAGS" +SPICE_COMPILE_WARNINGS # use ximage.h for win32 build if it is found (no package for mingw32 atm) if test $os_win32 == "yes" ; then |