patch 8.0.1156: trouble from removing one -W argument from Perl CFLAGS
Problem: Removing one -W argument from Perl CFLAGS may cause trouble.
Solution: Remove all -W flags. (Christian Brabandt)
diff --git a/src/configure.ac b/src/configure.ac
index 1183ab4..76714b1 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -1006,10 +1006,13 @@
dnl Remove "-fno-something", it breaks using cproto.
dnl Remove "-fdebug-prefix-map", it isn't supported by clang.
dnl Remove "FORTIFY_SOURCE", it will be defined twice.
+ dnl remove -pipe and -Wxxx, it confuses cproto
perlcppflags=`$vi_cv_path_perl -Mlib=$srcdir -MExtUtils::Embed \
-e 'ccflags;perl_inc;print"\n"' | sed -e 's/-fno[[^ ]]*//' \
-e 's/-fdebug-prefix-map[[^ ]]*//g' \
- -e 's/\(-Wp,\)\?-D_FORTIFY_SOURCE=.//g'`
+ -e 's/-pipe //' \
+ -e 's/-W[[^ ]]*//g' \
+ -e 's/-D_FORTIFY_SOURCE=.//g'`
dnl Remove "-lc", it breaks on FreeBSD when using "-pthread".
perllibs=`cd $srcdir; $vi_cv_path_perl -MExtUtils::Embed -e 'ldopts' | \
sed -e '/Warning/d' -e '/Note (probably harmless)/d' \
@@ -1037,8 +1040,7 @@
LDFLAGS=$ldflags_save
if test $perl_ok = yes; then
if test "X$perlcppflags" != "X"; then
- dnl remove -pipe and -Wxxx, it confuses cproto
- PERL_CFLAGS=`echo "$perlcppflags" | sed -e 's/-pipe //' -e 's/-W[[^ ]]*//'`
+ PERL_CFLAGS=$perlcppflags
fi
if test "X$perlldflags" != "X"; then
if test "X`echo \"$LDFLAGS\" | $FGREP -e \"$perlldflags\"`" = "X"; then