On Tue, Feb 10, 2026 at 10:52 AM Dimitry Andric <[email protected]> wrote: > > Commit r16-5592-g56889bfec25 added saving and restoring of CXXFLAGS and > LDFLAGS in the gcc configure script, to avoid including the wrong zstd > headers. > > However, due to misleading indentation in the configure script, the > restoration of CXXFLAGS and LDFLAGS was put after the if block where the > values were saved. This could cause various interesting effects, among > others segfaults while building gcc in the FreeBSD ports system. > > Move the restoration of CXXFLAGS and LDFLAGS to just before the end of > the same if block to fix this. > > Thanks to Mark Millard for spotting the actual mistake. > > 2026-02-10 Dimitry Andric <[email protected]> > > gcc: > PR libfortran/123366 > * configure.ac: Move restoring of CXXFLAGS/LDFLAGS for zstd test to > the correct place. > * configure: Regenerate.
Ok. > > Signed-off-by: Dimitry Andric <[email protected]> > --- > gcc/configure | 2 +- > gcc/configure.ac | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/gcc/configure b/gcc/configure > index bad73081a9b..100e6e10012 100755 > --- a/gcc/configure > +++ b/gcc/configure > @@ -10661,10 +10661,10 @@ $as_echo "#define HAVE_ZSTD_H 1" >>confdefs.h > elif test "x$with_zstd" != x; then > as_fn_error $? "Unable to find zstd.h. See config.log for details." > "$LINENO" 5 > fi > -fi > > CXXFLAGS="$saved_CXXFLAGS" > LDFLAGS="$saved_LDFLAGS" > +fi > > > > diff --git a/gcc/configure.ac b/gcc/configure.ac > index 7eb86146a10..35af1382cf1 100644 > --- a/gcc/configure.ac > +++ b/gcc/configure.ac > @@ -1565,10 +1565,10 @@ if test $gcc_cv_header_zstd_h = yes; then > elif test "x$with_zstd" != x; then > as_fn_error $? "Unable to find zstd.h. See config.log for details." > "$LINENO" 5 > fi > -fi > > CXXFLAGS="$saved_CXXFLAGS" > LDFLAGS="$saved_LDFLAGS" > +fi > > dnl Disabled until we have a complete test for buggy enum bitfields. > dnl gcc_AC_C_ENUM_BF_UNSIGNED > -- > 2.53.0 >
