merging libmicrospdy into tree

1 files changed, 69 insertions, 0 deletions

diff --git a/m4/openssl.m4 b/m4/openssl.m4
new file mode 100644
index 00000000..1317e7e4
--- /dev/null
+++ b/m4/openssl.m4
@@ -0,0 +1,69 @@
+dnl Check to find the OpenSSL headers/libraries
+
+AC_DEFUN([spdy_OPENSSL],
+[
+  AC_ARG_WITH(openssl,
+    AS_HELP_STRING([--with-openssl=DIR], [OpenSSL base directory, or:]),
+    [openssl="$withval"
+     CPPFLAGS="$CPPFLAGS -I$withval/include"
+     LDFLAGS="$LDFLAGS -L$withval/lib"]
+  )
+
+  AC_ARG_WITH(openssl-include,
+    AS_HELP_STRING([--with-openssl-include=DIR], [OpenSSL headers directory (without trailing /openssl)]),
+    [openssl_include="$withval"
+     CPPFLAGS="$CPPFLAGS -I$withval"]
+  )
+
+  AC_ARG_WITH(openssl-lib,
+    AS_HELP_STRING([--with-openssl-lib=DIR], [OpenSSL library directory]),
+    [openssl_lib="$withval"
+     LDFLAGS="$LDFLAGS -L$withval"]
+  )
+
+  AC_CHECK_HEADERS(openssl/evp.h openssl/rsa.h openssl/rand.h openssl/err.h openssl/sha.h openssl/pem.h openssl/engine.h,
+    [],
+    [AC_MSG_WARN([OpenSSL header files not found.]); break]
+  )
+
+case $host_os in
+  *mingw*)
+    AC_CHECK_LIB(crypto, SHA1_Init,
+      [LIBS="$LIBS -lcrypto -lgdi32"],
+      [AC_MSG_WARN([OpenSSL libraries not found.])]
+    )
+  ;;
+  *)
+    
+    AC_CHECK_LIB(crypto, SHA1_Init,
+      [LIBS="$LIBS -lcrypto"],
+      [AC_MSG_WARN([OpenSSL libraries not found.])]
+    )
+
+    AC_CHECK_FUNC(dlopen,
+      [],
+      [AC_CHECK_LIB(dl, dlopen,
+        [LIBS="$LIBS -ldl"],
+        [AC_MSG_WARN([OpenSSL depends on libdl.]); break]
+      )]
+    )
+
+    AC_CHECK_FUNC(SSL_library_init,
+      [],
+      [AC_CHECK_LIB(ssl, SSL_library_init,
+        [LIBS="$LIBS -lssl"],
+        [AC_MSG_WARN([OpenSSL?.]); break]
+      )]
+    )
+  ;;
+esac
+
+#  AC_CHECK_FUNCS([RAND_pseudo_bytes EVP_EncryptInit_ex], ,
+#    [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
+#  )
+
+#  AC_CHECK_DECL([OpenSSL_add_all_algorithms], ,
+#    [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
+#    [#include <openssl/evp.h>]
+#  )
+])