Mailing List Archive

commit f61474ffd98e10902b77d233a933e624cb248f81
Author: Nils Goroll <nils.goroll@uplex.de>
Date: Mon Apr 11 16:10:16 2022 +0200

Add -fno-var-tracking-assignments to cc_command if accepted by the compiler

Closes #3795

diff --git a/configure.ac b/configure.ac
index 06b70e02f..555267a11 100644
--- a/configure.ac
+++ b/configure.ac
@@ -802,22 +802,41 @@ AC_ARG_VAR([VCC_CC], [C compiler command line for VCL code])
if test "$ac_cv_env_VCC_CC_set" = "set"; then
VCC_CC="$ac_cv_env_VCC_CC_value"
else
+ case $target in
+ *-*-darwin*)
+ VCC_CC="cc $OCFLAGS"
+ ;;
+ *)
+ VCC_CC="$PTHREAD_CC $OCFLAGS"
+ ;;
+ esac
+
+ save_CFLAGS="$CFLAGS"
+ save_CC="$CC"
+ CFLAGS=
+ CC="$VCC_CC"
+ AX_CHECK_COMPILE_FLAG(
+ [-fno-var-tracking-assignments],
+ [VCC_CC="$VCC_CC -fno-var-tracking-assignments"])
+ CFLAGS="$save_CFLAGS"
+ CC="$save_CC"
+
case $target in
*-*-solaris*)
case $PTHREAD_CC in
*gcc*)
- VCC_CC="exec $PTHREAD_CC $OCFLAGS %w $PTHREAD_CFLAGS -fpic -shared -o %o %s"
+ VCC_CC="exec $VCC_CC %w $PTHREAD_CFLAGS -fpic -shared -o %o %s"
;;
*cc)
- VCC_CC="exec $PTHREAD_CC $OCFLAGS %w -errwarn=%%all,no%%E_STATEMENT_NOT_REACHED $PTHREAD_CFLAGS -Kpic -G -o %o %s"
+ VCC_CC="exec $VCC_CC %w -errwarn=%%all,no%%E_STATEMENT_NOT_REACHED $PTHREAD_CFLAGS -Kpic -G -o %o %s"
;;
esac
;;
*-*-darwin*)
- VCC_CC="exec cc $OCFLAGS %w -dynamiclib -Wl,-undefined,dynamic_lookup -o %o %s"
+ VCC_CC="exec $VCC_CC %w -dynamiclib -Wl,-undefined,dynamic_lookup -o %o %s"
;;
*)
- VCC_CC="exec $PTHREAD_CC $OCFLAGS %w $PTHREAD_CFLAGS $SAN_CFLAGS -fpic -shared -Wl,-x -o %o %s"
+ VCC_CC="exec $VCC_CC %w $PTHREAD_CFLAGS $SAN_CFLAGS -fpic -shared -Wl,-x -o %o %s"
;;
esac
fi
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