d2d1: Use a gcc pragma instead of a compiler flag for -fexcess-precision.

configure

@@ -733,7 +733,6 @@ GSM_PE_CFLAGS
 FAUDIO_PE_LIBS
 FAUDIO_PE_CFLAGS
 MINGW_PKG_CONFIG
-EXCESS_PRECISION_CFLAGS
 CROSSDEBUG
 DELAYLOADFLAG
 CROSSLDFLAGS
@@ -11792,42 +11791,6 @@ fi ;;
           esac
         fi
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the cross-compiler supports -fexcess-precision=standard" >&5
-printf %s "checking whether the cross-compiler supports -fexcess-precision=standard... " >&6; }
-if test ${ac_cv_crosscflags__fexcess_precision_standard+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_wine_try_cflags_saved=$CFLAGS
-ac_wine_try_cflags_saved_cc=$CC
-ac_wine_try_cflags_saved_exeext=$ac_exeext
-CFLAGS="$CFLAGS $EXTRACROSSCFLAGS -nostartfiles -nodefaultlibs -fexcess-precision=standard"
-CC="$CROSSCC"
-ac_exeext=".exe"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-int __cdecl mainCRTStartup(void) { return 0; }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
-  ac_cv_crosscflags__fexcess_precision_standard=yes
-else $as_nop
-  ac_cv_crosscflags__fexcess_precision_standard=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
-CFLAGS=$ac_wine_try_cflags_saved
-CC=$ac_wine_try_cflags_saved_cc
-ac_exeext=$ac_wine_try_cflags_saved_exeext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_crosscflags__fexcess_precision_standard" >&5
-printf "%s\n" "$ac_cv_crosscflags__fexcess_precision_standard" >&6; }
-if test "x$ac_cv_crosscflags__fexcess_precision_standard" = xyes
-then :
-  EXCESS_PRECISION_CFLAGS="-fexcess-precision=standard"
-
-fi
-
         if test "x$enable_werror" = "xyes"
         then
             { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the cross-compiler supports -Werror" >&5
@@ -19021,39 +18984,6 @@ then :
   EXTRACFLAGS="$EXTRACFLAGS -Wwrite-strings"
 fi
 
-  if test -z "$CROSSTARGET"
-  then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fexcess-precision=standard" >&5
-printf %s "checking whether the compiler supports -fexcess-precision=standard... " >&6; }
-if test ${ac_cv_cflags__fexcess_precision_standard+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_wine_try_cflags_saved=$CFLAGS
-CFLAGS="$CFLAGS -fexcess-precision=standard"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-int main(int argc, char **argv) { return 0; }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
-  ac_cv_cflags__fexcess_precision_standard=yes
-else $as_nop
-  ac_cv_cflags__fexcess_precision_standard=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
-CFLAGS=$ac_wine_try_cflags_saved
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__fexcess_precision_standard" >&5
-printf "%s\n" "$ac_cv_cflags__fexcess_precision_standard" >&6; }
-if test "x$ac_cv_cflags__fexcess_precision_standard" = xyes
-then :
-  EXCESS_PRECISION_CFLAGS="-fexcess-precision=standard"
-
-fi
-  fi
-
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wpointer-arith" >&5
 printf %s "checking whether the compiler supports -Wpointer-arith... " >&6; }
 if test ${ac_cv_cflags__Wpointer_arith+y}
@@ -23343,7 +23273,6 @@ EXTRACROSSCFLAGS = $EXTRACROSSCFLAGS
 CROSSLDFLAGS = $CROSSLDFLAGS
 DELAYLOADFLAG = $DELAYLOADFLAG
 CROSSDEBUG = $CROSSDEBUG
-EXCESS_PRECISION_CFLAGS = $EXCESS_PRECISION_CFLAGS
 MINGW_PKG_CONFIG = $MINGW_PKG_CONFIG
 FAUDIO_PE_CFLAGS = $FAUDIO_PE_CFLAGS
 FAUDIO_PE_LIBS = $FAUDIO_PE_LIBS

configure.ac

@@ -997,8 +997,6 @@ then
           esac
         fi
 
-        WINE_TRY_CROSSCFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
-
         if test "x$enable_werror" = "xyes"
         then
             WINE_TRY_CROSSCFLAGS([-Werror])
@@ -1847,11 +1845,6 @@ then
   WINE_TRY_CFLAGS([-Wvla])
   WINE_TRY_CFLAGS([-Wwrite-strings])
 
-  if test -z "$CROSSTARGET"
-  then
-    WINE_TRY_CFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
-  fi
-
   dnl Check for noisy string.h
   WINE_TRY_CFLAGS([-Wpointer-arith],
      [saved_string_h_CFLAGS=$CFLAGS

dlls/d2d1/Makefile.in

@@ -21,5 +21,3 @@ C_SRCS = \
 	wic_render_target.c
 
 RC_SRCS = version.rc
-
-geometry_EXTRADEFS = $(EXCESS_PRECISION_CFLAGS)

dlls/d2d1/geometry.c

@@ -16,6 +16,10 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC optimize "O2,no-strict-aliasing,excess-precision=standard"
+#endif
+
 #include "d2d1_private.h"
 #include <float.h>