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Fix Objective-C C99 build problem

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* configure.ac (NS_IMPL_GNUSTEP): GCC appears to need to be told to
use C99 when compiling Objective-C.
This commit is contained in:
Alan Third 2020-08-27 20:50:42 +01:00
parent 89286b1f45
commit 72f66f70ee
1 changed files with 4 additions and 3 deletions
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7
configure.ac
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@ -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