beef compile flags.
Beef the compile flags by using the same set recommended by systemd,
it uses attribute.m4 from the xine project to check supported flags.
diff --git a/configure.ac b/configure.ac
index 3283b5f..812f4ab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@
AC_CONFIG_SRCDIR([libkmod/libkmod.c])
AC_CONFIG_AUX_DIR([build-aux])
-AM_INIT_AUTOMAKE([check-news foreign 1.11 -Wall -Wno-portability silent-rules tar-pax dist-bzip2 subdir-objects])
+AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules tar-pax dist-bzip2 subdir-objects])
AC_PROG_CC_STDC
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
@@ -36,6 +36,52 @@
AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
])
+CC_CHECK_CFLAGS_APPEND([ \
+ -pipe \
+ -Wall \
+ -W \
+ -Wextra \
+ -Wno-inline \
+ -Wvla \
+ -Wundef \
+ -Wformat=2 \
+ -Wlogical-op \
+ -Wsign-compare \
+ -Wformat-security \
+ -Wmissing-include-dirs \
+ -Wformat-nonliteral \
+ -Wold-style-definition \
+ -Wpointer-arith \
+ -Winit-self \
+ -Wdeclaration-after-statement \
+ -Wfloat-equal \
+ -Wmissing-prototypes \
+ -Wstrict-prototypes \
+ -Wredundant-decls \
+ -Wmissing-declarations \
+ -Wmissing-noreturn \
+ -Wshadow \
+ -Wendif-labels \
+ -Wcast-align \
+ -Wstrict-aliasing=2 \
+ -Wwrite-strings \
+ -Wno-long-long \
+ -Wno-overlength-strings \
+ -Wno-unused-parameter \
+ -Wno-missing-field-initializers \
+ -Wno-unused-result \
+ -Wp,-D_FORTIFY_SOURCE=2 \
+ -ffast-math \
+ -fno-common \
+ -fdiagnostics-show-option \
+ -fno-strict-aliasing \
+ -fvisibility=hidden \
+ -ffunction-sections \
+ -fdata-sections \
+ -Wl,--as-needed \
+ -Wl,--gc-sections])
+
+
AC_CONFIG_HEADERS(config.h)
AC_CONFIG_FILES([
Makefile
