From 72f66f70eef18e3b25cc989d67711887304f184b Mon Sep 17 00:00:00 2001 From: Alan Third Date: Thu, 27 Aug 2020 20:50:42 +0100 Subject: [PATCH] Fix Objective-C C99 build problem * configure.ac (NS_IMPL_GNUSTEP): GCC appears to need to be told to use C99 when compiling Objective-C. --- configure.ac | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/configure.ac b/configure.ac index 9a51ea1f7ed..dd2adb7e740 100644 --- a/configure.ac +++ b/configure.ac @@ -1900,7 +1900,8 @@ tmp_CPPFLAGS="$CPPFLAGS" tmp_CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS -x objective-c" CFLAGS="$CFLAGS -x objective-c" -GNU_OBJC_CFLAGS= +# Recent versions of GCC don't use C99 to compile Obj-C. +GNU_OBJC_CFLAGS="-std=c99" LIBS_GNUSTEP= if test "${with_ns}" != no; then # macfont.o requires macuvs.h which is absent after 'make extraclean', @@ -1916,7 +1917,7 @@ if test "${with_ns}" != no; then elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then NS_IMPL_GNUSTEP=yes NS_GNUSTEP_CONFIG=yes - GNU_OBJC_CFLAGS=$flags + GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS $flags" LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit elif test -f $GNUSTEP_CONFIG_FILE; then NS_IMPL_GNUSTEP=yes @@ -1961,7 +1962,7 @@ fail; dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers. AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1, [Define if GNUstep uses ObjC exceptions.]) - GNU_OBJC_CFLAGS="-fobjc-exceptions" + GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fobjc-exceptions" fi fi if test $NS_IMPL_GNUSTEP = yes; then -- 2.39.2