https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117893
Bug ID: 117893
Summary: gcc configure failed
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: deminhan at gcc dot gnu.org
Target Milestone: ---
This commit 721a38add973a937b4b60f05cfa17958e892ad27 results in gcc configure
fail.
when set CFLAGS="-w -O0 -g3" for example, it's converted to
CFLAG="-w-g3" and report unrecognized option.
[PATCH] gcc: configure: Fix the optimization flags cleanup
Currently sed command in flag cleanup removes all the -O[0-9] flags,
ignoring
the context. This leads to issues when the optimization flags is passed to
linker:
CFLAGS="-Os -Wl,-O1 -Wl,--hash-style=gnu"
is converted into
CFLAGS="-Os -Wl,-Wl,--hash-style=gnu"
Which leads to configure failure with ld: unrecognized option '-Wl,-Wl'.
case "$CC" in
*/prev-gcc/xgcc*) ;;
- *) CFLAGS=`echo "$CFLAGS " | sed -e "s/-Ofast[ ]//" -e "s/-O[gs][
]//" -e "s/-O[0-9]*[ ]//" `
- CXXFLAGS=`echo "$CXXFLAGS " | sed -e "s/-Ofast[ ]//" -e "s/-O[gs][
]//" -e "s/-O[0-9]*[ ]//" ` ;;
+ *) CFLAGS=`echo "$CFLAGS " | sed -e "s/-Ofast[ ]//" -e "s/-O[gs][
]//" -e "s/[^,]-O[0-9]*[ ]//" `
+ CXXFLAGS=`echo "$CXXFLAGS " | sed -e "s/-Ofast[ ]//" -e "s/-O[gs][
]//" -e "s/[^,]-O[0-9]*[ ]//" ` ;;
esac
