AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_USE_SYSTEM_EXTENSIONS
-AC_PROG_CPP
AC_PROG_MKDIR_P
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_GCC_TRADITIONAL
+if test x"$ac_cv_prog_cc_c99" = x"no"; then
+ AC_MSG_ERROR([C99 support is required])
+fi
+
# -fstack-protector
AC_ARG_ENABLE([stack-protector],
[AS_HELP_STRING([--disable-stack-protector],
AM_CONDITIONAL(HAVE_NETLINK, [ test x"$HAVE_NETLINK" = xyes ])
+if test "x$HAVE_NETLINK" = "xyes" ; then
+ # Test whether rtnetlink.h can be included when compiled with -std=c99
+ # some distributions (e.g. archlinux) have broken headers that dont
+ # define __u64 with -std=c99
+ AC_MSG_CHECKING([checking whether rtnetlink.h can be included with -std=c99])
+ AC_TRY_COMPILE([#include <linux/rtnetlink.h>], [],
+ [AC_MSG_RESULT([yes])], [AC_MSG_ERROR([no])])
+fi
+
#
# Check for net/route.h
#
])
test_gcc_flag() {
- AC_LANG_CONFTEST([int main() {}])
+ AC_LANG_CONFTEST([AC_LANG_SOURCE([[int main() {}]])])
$CC -c conftest.c $CFLAGS $@ > /dev/null 2> /dev/null
ret=$?
rm -f conftest.o
DESIRED_FLAGS="-Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -fdiagnostics-show-option -Wno-cast-qual -fno-strict-aliasing"
- if test "x$HAVE_NETLINK" = "xyes" ; then
- # Test whether rtnetlink.h can be included when compiled with -std=c99
- # some distributions (e.g. archlinux) have broken headers that dont
- # define __u64 with -std=c99
- AC_MSG_CHECKING([checking whether rtnetlink.h can be included with -std=c99])
- OLDCFLAGS="$CFLAGS"
- CFLAGS="-std=c99"
- AC_TRY_COMPILE([#include <linux/rtnetlink.h>], [],
- use_stdc99=yes, use_stdc99=no)
-
- if test x"$use_stdc99" = xyes; then
- DESIRED_FLAGS="-std=c99 $DESIRED_FLAGS"
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- fi
-
- CFLAGS="$OLDCFLAGS"
- else
- DESIRED_FLAGS="-std=c99 $DESIRED_FLAGS"
- fi
-
for flag in $DESIRED_FLAGS ; do
AC_MSG_CHECKING([whether $CC accepts $flag])
if test_gcc_flag $flag ; then
fi
# Checks for header files.
-AC_HEADER_STDC
-AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h limits.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/socket.h sys/time.h unistd.h netdb.h syslog.h])
-AC_HEADER_STDBOOL
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_TYPE_SIZE_T
-AC_HEADER_TIME
-AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS([arpa/inet.h fcntl.h netinet/in.h sys/ioctl.h sys/socket.h sys/time.h unistd.h netdb.h syslog.h])
# Solaris stuff
AC_SEARCH_LIBS([inet_ntop],[nsl])
AC_CHECK_DECL([CMSG_SPACE],,CFLAGS="$CFLAGS -D_XOPEN_SOURCE=500 -D__EXTENSIONS__", [[#include <sys/socket.h>]])
# Checks for library functions.
-AC_FUNC_MEMCMP
AC_FUNC_SELECT_ARGTYPES
-# avahi_malloc actually returns NULL for avahi_malloc(0), so it does not matter
-# whether libc's malloc does too. (Same for realloc.)
-#AC_FUNC_MALLOC
-#AC_FUNC_REALLOC
-AC_CHECK_FUNCS([gethostname memchr memmove memset mkdir select socket strchr strcspn strdup strerror strrchr strspn strstr uname setresuid setreuid setresgid setregid strcasecmp gettimeofday putenv strncasecmp strlcpy gethostbyname seteuid setegid setproctitle getprogname])
+AC_CHECK_FUNCS([gethostname mkdir select socket strdup uname setresuid setreuid setresgid setregid strcasecmp gettimeofday putenv strncasecmp strlcpy gethostbyname seteuid setegid setproctitle getprogname])
AC_FUNC_CHOWN
AC_FUNC_STAT