.gitignore: Ignore test-suite.log.

[sysdb.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 5cae366f0e47b6d16ee649b491ae17d34a8e7d2c..420021f628ab81d61a4e898fe1acdc6c3d173f2a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -79,6 +79,8 @@ test_cc_flags() {
        return $ret
 }
 
+STRICT_CFLAGS=""
+
 m4_divert_once([HELP_ENABLE], [
 Build options:])
 
@@ -94,18 +96,23 @@ if test "x$enable_standards" = "xyes"; then
                        [Define to enforce ISO/IEC 9899:1999 (C99) compliance.])
        AC_DEFINE([_POSIX_C_SOURCE], 200112L,
                        [Define to enforce IEEE 1003.1-2001 (POSIX:2001) compliance.])
-       AC_DEFINE([_XOPEN_SOURCE], 600,
-                       [Define to enforce X/Open 6 (XSI) compliance.])
+       AC_DEFINE([_XOPEN_SOURCE], 700,
+                       [Define to enforce X/Open 7 (XSI) compliance.])
        AC_DEFINE([_REENTRANT], 1,
                        [Define to enable reentrant interfaces.])
        AC_DEFINE([_THREAD_SAFE], 1,
                        [Define to enable reentrant interfaces.])
 
-       for flag in -std=c99 -pedantic; do
+       dnl GNU libc defines strcasecmp() only when using _BSD_SOURCE even though
+       dnl the function is conforming to POSIX.1-2001 as well. Let's weaken
+       dnl strict standards compliance a bit to work around this.
+       AC_DEFINE([_BSD_SOURCE], 1, [Define to enable 4.3BSD support.])
+
+       for flag in -std=c99; do
                AC_MSG_CHECKING([whether $CC accepts $flag])
 
                if test_cc_flags $flag; then
-                       CFLAGS="$CFLAGS $flag"
+                       STRICT_CFLAGS="$STRICT_CFLAGS $flag"
                        AC_MSG_RESULT([yes])
                else
                        AC_MSG_RESULT([no])
@@ -130,7 +137,7 @@ if test "x$enable_hardening" = "xyes"; then
                AC_MSG_CHECKING([whether $CC accepts $flag])
 
                if test_cc_flags $flag; then
-                       CFLAGS="$CFLAGS $flag"
+                       STRICT_CFLAGS="$STRICT_CFLAGS $flag"
                        hardening=$(($hardening + 1))
                        AC_MSG_RESULT([yes])
                else
@@ -150,7 +157,6 @@ AC_ARG_ENABLE([strict-checks],
                [enable_strict_checks="$enableval"],
                [enable_strict_checks="yes"])
 
-STRICT_CFLAGS=""
 for flag in -Wall -Werror; do
        AC_MSG_CHECKING([whether $CC accepts $flag])
 
@@ -163,11 +169,13 @@ for flag in -Wall -Werror; do
 done
 
 if test "x$enable_strict_checks" = "xyes"; then
+       dnl -Wsign-conversion may cause problems in expanded macros from libc
        for flag in -Wextra \
                        -Wbad-function-cast \
                        -Wcast-align \
                        -Wcast-qual \
                        -Wconversion \
+                       -Wno-sign-conversion \
                        -Wdeclaration-after-statement \
                        -Wmissing-prototypes \
                        -Wpointer-arith \