Don't try to use -ffat-lto-objects with clang

This commit is contained in:
Dianne Skoll
2022-10-14 13:31:57 -04:00
parent 9f8ed13434
commit e1091db82f
2 changed files with 21 additions and 4 deletions

14
configure vendored
View File

@@ -3975,7 +3975,14 @@ fi
if test "$GCC" = yes; then
CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes"
# Check for link-time optimization support
for f in -flto=auto -ffat-lto-objects; do
f=-flto=auto
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $f" >&5
$as_echo_n "checking whether $CC supports $f... " >&6; }
if $CC -E $f /dev/null > /dev/null 2>&1 ; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$CFLAGS $f"
f=-ffat-lto-objects
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $f" >&5
$as_echo_n "checking whether $CC supports $f... " >&6; }
if $CC -E $f /dev/null > /dev/null 2>&1 ; then
@@ -3986,7 +3993,10 @@ $as_echo "yes" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
done
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
fi
if test "$ac_cv_perlartifacts" = "yes" ; then

View File

@@ -47,7 +47,12 @@ AC_HEADER_TIME
if test "$GCC" = yes; then
CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes"
# Check for link-time optimization support
for f in -flto=auto -ffat-lto-objects; do
f=-flto=auto
AC_MSG_CHECKING([whether $CC supports $f])
if $CC -E $f /dev/null > /dev/null 2>&1 ; then
AC_MSG_RESULT([yes])
CFLAGS="$CFLAGS $f"
f=-ffat-lto-objects
AC_MSG_CHECKING([whether $CC supports $f])
if $CC -E $f /dev/null > /dev/null 2>&1 ; then
AC_MSG_RESULT([yes])
@@ -55,7 +60,9 @@ if test "$GCC" = yes; then
else
AC_MSG_RESULT([no])
fi
done
else
AC_MSG_RESULT([no])
fi
fi
if test "$ac_cv_perlartifacts" = "yes" ; then