X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=configure.ng;h=bc30bed8a721a4b05f42d2d1fccd6b7dd85cb8d9;hp=e3f51cf0268a086a49c4baddd34a723cc75106ea;hb=788da901ee3fa525a38dc99016d2612f6b945352;hpb=8e6db769ac549cfe26042f7d51ae8a301d8fc569

diff --git a/configure.ng b/configure.ng
index e3f51cf0..bc30bed8 100644
--- a/configure.ng
+++ b/configure.ng
@@ -75,23 +75,55 @@ AC_C_CONST
 AC_C_INLINE
 __ng_PROTOTYPES__
 
-# -- Hard coded system and compiler dependencies/features/options ... --
+# -- Function Definitions --
 
 AC_DEFUN([GCC_STACK_PROTECT_CC],[
-  ssp_cc=yes
-  # we use -fstack-protector-all for the test to enfoce the use of the guard variable 
-  AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
-  ssp_old_cflags="$CFLAGS"
-  CFLAGS="$CFLAGS -fstack-protector-all"
-  AC_TRY_LINK(,,, ssp_cc=no)
-  echo $ssp_cc
-  CFLAGS="$ssp_old_cflags"
-  if test "X$ssp_cc" = "Xyes"; then
-      CFLAGS="$CFLAGS -fstack-protector"
-      AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
-  fi
+	ssp_cc=yes
+	# Use -fstack-protector-all for the test to enfoce the use of the
+	# guard variable
+	AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
+	ssp_old_cflags="$CFLAGS"
+	CFLAGS="$CFLAGS -fstack-protector-all"
+	AC_TRY_LINK(,,, ssp_cc=no)
+	echo $ssp_cc
+	CFLAGS="$ssp_old_cflags"
+	if test "X$ssp_cc" = "Xyes"; then
+		CFLAGS="$CFLAGS -fstack-protector"
+		AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
+	fi
 ])
 
+AC_DEFUN([WORKING_GETADDRINFO],[
+	AC_CHECK_FUNCS([getaddrinfo],[
+		AC_MSG_CHECKING([whether getaddrinfo() works])
+		AC_TRY_RUN([
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+int
+main(int argc, char **argv)
+{
+	struct addrinfo hints, *ai;
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_flags = AI_PASSIVE;
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_family = PF_UNSPEC;
+	if(getaddrinfo(NULL, "0", &hints, &ai) != 0)
+		return 1;
+	return 0;
+}
+		],[
+		AC_DEFINE([HAVE_WORKING_GETADDRINFO], 1, [getaddrinfo(0)])
+		AC_MSG_RESULT(yes)
+		],[
+		AC_MSG_RESULT(no)
+		])
+	])
+])
+
+# -- Hard coded system and compiler dependencies/features/options ... --
+
 if test "$GCC" = "yes"; then
 	# We are using the GNU C compiler. Good!
 	CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
@@ -186,10 +218,12 @@ AC_CHECK_FUNCS([ \
 	AC_MSG_ERROR([required function missing!]))
 
 # Optional functions
-AC_CHECK_FUNCS_ONCE([ \
-	arc4random arc4random_stir gai_strerror getaddrinfo getnameinfo inet_aton
+AC_CHECK_FUNCS_ONCE([
+	arc4random arc4random_stir gai_strerror getnameinfo inet_aton \
 	sigaction sigprocmask snprintf vsnprintf strdup strndup strlcpy strlcat \
-	strtok_r waitpid])
+	strtok_r unsetenv waitpid])
+
+WORKING_GETADDRINFO
 
 # -- Configuration options --