diff options
author | Haru <haru@dotalux.com> | 2016-02-20 15:59:58 +0100 |
---|---|---|
committer | Haru <haru@dotalux.com> | 2016-02-20 15:59:58 +0100 |
commit | 71968e6985a2d6798505b84bc7ed22f5c6bfcfac (patch) | |
tree | 4740ae636d410980f379cc4bb3a969b49451c7c7 /configure | |
parent | 5b74faa8afd04771af7acb918072ea71a3db475f (diff) | |
parent | b7f772294594c40ef1e18f9c044e5c4fe6b490f4 (diff) | |
download | hercules-71968e6985a2d6798505b84bc7ed22f5c6bfcfac.tar.gz hercules-71968e6985a2d6798505b84bc7ed22f5c6bfcfac.tar.bz2 hercules-71968e6985a2d6798505b84bc7ed22f5c6bfcfac.tar.xz hercules-71968e6985a2d6798505b84bc7ed22f5c6bfcfac.zip |
Merge pull request #1162 from 4144/flags
Add some compiler warning flags and fix new warnings
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 755 |
1 files changed, 754 insertions, 1 deletions
@@ -1,5 +1,5 @@ #! /bin/sh -# From configure.in 8ca4506. +# From configure.in 9bd03cf. # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.69. # @@ -4567,6 +4567,24 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu +# -Wcast-qual use for check wrong casts. It cant be added by default, because some casts must be wrong. +# -Wconversion warning: conversion to 'long unsigned int' from 'int' may change the sign of the result +# -Wfloat-equal comparing floating point with == or != is unsafe +# -Wunsuffixed-float-constants float issues +# -Wpedantic different pedantic checks. Not all can be fixed in nice way. +# -Wtraditional-conversion some conversion issues +# -Wunsafe-loop-optimizations possible optimisation issues +# -Wunused-parameter -Wunused-but-set-parameter unused parameters +# -Wunused-macros unused macro warnings, but it also enable unused parameters +# -Wstrict-prototypes show warning in grammar.y +# attributes suggestion +# -Wsuggest-attribute=const -Wsuggest-attribute=format -Wsuggest-attribute=pure + +# flags what can be used but now return no warnings: +# -Wchkp -Wdisabled-optimization +# -Werror-implicit-function-declaration -Wtrampolines +# -Wjump-misses-init + CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wextra -Wno-sign-compare" CPPFLAGS="$CPPFLAGS -I../common" LDFLAGS="$LDFLAGS" @@ -6208,6 +6226,153 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Winit-self" >&5 +$as_echo_n "checking whether $CC supports -Winit-self... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Winit-self" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Winit-self" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Winit-self" >&5 +$as_echo_n "checking whether $CC can actually use -Winit-self... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Winit-self" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Winit-self" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wpointer-arith" >&5 +$as_echo_n "checking whether $CC supports -Wpointer-arith... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wpointer-arith" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wpointer-arith" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wpointer-arith" >&5 +$as_echo_n "checking whether $CC can actually use -Wpointer-arith... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wpointer-arith" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wpointer-arith" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wswitch-bool" >&5 +$as_echo_n "checking whether $CC supports -Wswitch-bool... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wswitch-bool" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wswitch-bool" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wswitch-bool" >&5 +$as_echo_n "checking whether $CC can actually use -Wswitch-bool... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wswitch-bool" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wswitch-bool" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wenum-conversion" >&5 $as_echo_n "checking whether $CC supports -Wenum-conversion... " >&6; } OLD_CFLAGS="$CFLAGS" @@ -6453,6 +6618,594 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat" >&5 +$as_echo_n "checking whether $CC supports -Wformat... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wformat" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wformat" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat" >&5 +$as_echo_n "checking whether $CC can actually use -Wformat... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wformat" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wformat" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat-signedness" >&5 +$as_echo_n "checking whether $CC supports -Wformat-signedness... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wformat-signedness" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wformat-signedness" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat-signedness" >&5 +$as_echo_n "checking whether $CC can actually use -Wformat-signedness... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wformat-signedness" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wformat-signedness" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat-y2k" >&5 +$as_echo_n "checking whether $CC supports -Wformat-y2k... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wformat-y2k" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wformat-y2k" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat-y2k" >&5 +$as_echo_n "checking whether $CC can actually use -Wformat-y2k... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wformat-y2k" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wformat-y2k" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmissing-include-dirs" >&5 +$as_echo_n "checking whether $CC supports -Wmissing-include-dirs... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wmissing-include-dirs" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wmissing-include-dirs" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wmissing-include-dirs" >&5 +$as_echo_n "checking whether $CC can actually use -Wmissing-include-dirs... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wmissing-include-dirs" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wmissing-include-dirs" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wsuggest-attribute=noreturn" >&5 +$as_echo_n "checking whether $CC supports -Wsuggest-attribute=noreturn... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wsuggest-attribute=noreturn" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wsuggest-attribute=noreturn" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wsuggest-attribute=noreturn" >&5 +$as_echo_n "checking whether $CC can actually use -Wsuggest-attribute=noreturn... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wsuggest-attribute=noreturn" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wsuggest-attribute=noreturn" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wundef" >&5 +$as_echo_n "checking whether $CC supports -Wundef... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wundef" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wundef" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wundef" >&5 +$as_echo_n "checking whether $CC can actually use -Wundef... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wundef" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wundef" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wcast-align" >&5 +$as_echo_n "checking whether $CC supports -Wcast-align... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wcast-align" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wcast-align" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wcast-align" >&5 +$as_echo_n "checking whether $CC can actually use -Wcast-align... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wcast-align" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wcast-align" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wlogical-op" >&5 +$as_echo_n "checking whether $CC supports -Wlogical-op... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wlogical-op" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wlogical-op" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wlogical-op" >&5 +$as_echo_n "checking whether $CC can actually use -Wlogical-op... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wlogical-op" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wlogical-op" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wnested-externs" >&5 +$as_echo_n "checking whether $CC supports -Wnested-externs... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wnested-externs" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wnested-externs" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wnested-externs" >&5 +$as_echo_n "checking whether $CC can actually use -Wnested-externs... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wnested-externs" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wnested-externs" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wold-style-definition" >&5 +$as_echo_n "checking whether $CC supports -Wold-style-definition... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wold-style-definition" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wold-style-definition" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wold-style-definition" >&5 +$as_echo_n "checking whether $CC can actually use -Wold-style-definition... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wold-style-definition" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wold-style-definition" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Woverlength-strings" >&5 +$as_echo_n "checking whether $CC supports -Woverlength-strings... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Woverlength-strings" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Woverlength-strings" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Woverlength-strings" >&5 +$as_echo_n "checking whether $CC can actually use -Woverlength-strings... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Woverlength-strings" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Woverlength-strings" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wredundant-decls" >&5 +$as_echo_n "checking whether $CC supports -Wredundant-decls... " >&6; } + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror -Wredundant-decls" + cat confdefs.h - <<_ACEOF >conftest.$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 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wredundant-decls" + # Optionally, run a test + if test "x" != "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wredundant-decls" >&5 +$as_echo_n "checking whether $CC can actually use -Wredundant-decls... " >&6; } + CFLAGS="$OLD_CFLAGS -Werror -Wredundant-decls" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$OLD_CFLAGS -Wredundant-decls" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-format-nonliteral" >&5 $as_echo_n "checking whether $CC supports -Wno-format-nonliteral... " >&6; } OLD_CFLAGS="$CFLAGS" |