Add autoconf test for timegm to set HAVE_TIMEGM appropriately. This resolves build...

[shibboleth/cpp-xmltooling.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index bcb59f9..31b2d1c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AM_CONFIG_HEADER(xmltooling/config_pub.h)
 AM_INIT_AUTOMAKE([xmltooling], [1.0])
 
 sinclude(doxygen.m4)
+sinclude(acx_pthread.m4)
 
 # Docygen features
 DX_HTML_FEATURE(ON)
@@ -47,14 +48,6 @@ fi
 AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
 
-AC_LANG(C++)
-
-# C++ requirements
-AC_CXX_REQUIRE_STL
-AC_CXX_NAMESPACES
-
-AC_LANG(C)
-
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_TYPE_SIZE_T
@@ -64,8 +57,62 @@ AC_CHECK_FUNCS([strchr strdup strstr])
 AC_CHECK_HEADERS([dlfcn.h])
 AC_CHECK_FUNC(dlclose, , [ AC_CHECK_LIB(dl, dlopen) ])
 
+# checks for pthreads
+ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])
+if test $enable_threads != "pthread"; then
+    AC_MSG_ERROR([unable to find pthreads, currently this is required])
+else
+    AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
+       AM_CONDITIONAL(BUILD_PTHREAD,test "$enable_threads" = "pthread")
+    LIBS="$PTHREAD_LIBS $LIBS"
+    CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
+    CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
+fi
+
+# OpenSSL settings
+AC_ARG_WITH(openssl,
+    AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
+    [if test x_$with_openssl != x_/usr; then
+        SSLLIBS="-L${with_openssl}/lib -lcrypto -lssl"
+        SSLFLAGS="-I${with_openssl}/include"
+    fi])
+
+if test "x$SSLLIBS" = "x" ; then
+    AC_PATH_PROG(PKG_CONFIG, pkg-config)
+    if test "x$PKG_CONFIG" != x && test "x$PKG_CONFIG" != "xno" ; then
+        if pkg-config openssl ; then
+            SSLLIBS="`$PKG_CONFIG --libs openssl`"
+            SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
+        else
+            AC_MSG_ERROR([OpenSSL not supported by pkg-config, try --with-openssl instead])
+        fi
+    fi
+fi
+
+if test "x$SSLLIBS" = "x" ; then
+    SSLLIBS="-lcrypto -lssl"
+fi
+
+AC_MSG_CHECKING(for OpenSSL libraries)
+AC_MSG_RESULT($SSLLIBS)
+LIBS="$LIBS $SSLLIBS"
+AC_MSG_CHECKING(for OpenSSL cflags)
+AC_MSG_RESULT($SSLFLAGS)
+CPPFLAGS="$SSLFLAGS $CPPFLAGS"
+
+AC_CHECK_HEADER([openssl/pem.h],,
+                AC_MSG_ERROR([unable to find openssl header files]))
+AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
+AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
+             AC_MSG_ERROR([unable to link with openssl libraries]))
+AC_MSG_RESULT(yes)
+
 AC_LANG(C++)
 
+# C++ requirements
+AC_CXX_REQUIRE_STL
+AC_CXX_NAMESPACES
+
 # log4cpp settings
 AC_PATH_PROG(LOG4CPP_CONFIG,log4cpp-config)
 AC_ARG_WITH(log4cpp,
@@ -158,6 +205,9 @@ AC_TRY_LINK(
             [Define if you have an STL implementation that supports useful string specialization.])],
         )
 
+# check for timegm() support
+AC_CHECK_FUNC(timegm, AC_DEFINE(HAVE_TIMEGM,1,[Define to 1 if timegm is available]))
+
 # Check for unit test support
 CXXTEST="/usr/bin/cxxtestgen.pl"
 CXXTESTFLAGS=""