X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=configure.ac;h=24f2c1fd3e1d1bfb037a12226f5e5e731a683b54;hb=1af69c9609af41165498e7a1bfda3f32744f12fe;hp=52ae461d495187e321ff9e276d9ea62dd17cf33e;hpb=e8900d4c7bbd84f87202afd2e7c7a2a6017f4a18;p=tlsproxy%2Ftlsproxy.git

diff --git a/configure.ac b/configure.ac
index 52ae461..24f2c1f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,20 +26,27 @@ AM_INIT_AUTOMAKE([foreign -Wall -Werror])
 
 AC_PROG_CC
 
+# Do this before setting additional flags as the code from AX_PTHREAD fails to
+# build with -Werror.
+AX_PTHREAD([],[AC_MSG_ERROR([pthread is required])])
+LIBS="$PTHREAD_LIBS $LIBS"
+CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
+CC="$PTHREAD_CC"
+
 if test "x$GCC" = xyes; then
     CFLAGS="-std=c89 -pedantic -Wall -Wextra -Werror $CFLAGS"
     CFLAGS="-Wno-error=int-to-pointer-cast $CFLAGS"
-    CPPFLAGS="-D_XOPEN_SOURCE=500 $CPPFLAGS"
+    CPPFLAGS="-D_XOPEN_SOURCE=600 $CPPFLAGS"
     # Additional hardening flags.
     CFLAGS="-fPIE -fstack-protector-all -Wformat -Werror=format-security $CFLAGS"
     CPPFLAGS="-D_FORTIFY_SOURCE=2 $CPPFLAGS"
     LDFLAGS="-fPIE -pie -Wl,-z,relro -Wl,-z,now $LDFLAGS"
 fi
 
-AC_CHECK_LIB([pthread], [pthread_create],
-             [], [AC_MSG_ERROR([pthread is required])])
 AC_CHECK_LIB([gnutls], [gnutls_certificate_verify_peers2],
              [], [AC_MSG_ERROR([GnuTLS is required])])
+dnl Check for additional GnuTLS functions.
+AX_CHECK_LIB_FUNC([gnutls],[gnutls_transport_set_int2])
 
 AC_ARG_ENABLE([debug],
               [AS_HELP_STRING([--enable-debug],[enable debug output])],