AC_HEADER_STDC is officially obsolescent

[catta] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1cb4e9f590d5f767555f37925a0df546aebcb823..31bda448269b33c831f2dd94b4f0cdf7f564e810 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,6 @@ AC_PROG_CC
 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
@@ -227,7 +226,7 @@ AC_TRY_COMPILE([#include <netinet/in.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
@@ -273,7 +272,6 @@ if test "x$GCC" = "xyes" ; 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