diff options
| -rwxr-xr-x | configure | 31 | ||||
| -rw-r--r-- | configure.ac | 2 |
2 files changed, 31 insertions, 2 deletions
@@ -1,5 +1,5 @@ #! /bin/sh -# From configure.ac 2b51b41ab. +# From configure.ac 6d5542195. # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.69. # @@ -6460,7 +6460,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=pointer-compare" >&5 $as_echo_n "checking whether $CC supports -fsanitize=pointer-compare... " >&6; } OLD_CFLAGS="$CFLAGS" @@ -6708,6 +6707,34 @@ fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsigned-char" >&5 +$as_echo_n "checking whether $CC supports -fsigned-char... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fsigned-char" + OLD_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -fsigned-char" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo; +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + LDFLAGS="$OLD_LDFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-unused-parameter" >&5 $as_echo_n "checking whether $CC supports -Wno-unused-parameter... " >&6; } OLD_CFLAGS="$CFLAGS" diff --git a/configure.ac b/configure.ac index 1d02fdf79..09a5ad6ad 100644 --- a/configure.ac +++ b/configure.ac @@ -1098,6 +1098,8 @@ AC_DEFUN([AC_CHECK_COMPILER_WNOFLAG], ] ) +AC_CHECK_FLAG(-fsigned-char) + AC_CHECK_COMPILER_WNOFLAG(unused-parameter, [int foo(int bar) { return 0; }]) AC_CHECK_COMPILER_WNOFLAG(clobbered) AC_CHECK_COMPILER_WFLAG(empty-body) |