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dnl XIPH_PATH_OPENSSL([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Karl Heyes <karl@xiph.org>
dnl Test for openssl, and define OPENSSL_CFLAGS and OPENSSL_LIBS
dnl
AC_DEFUN([XIPH_PATH_OPENSSL],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(openssl,
AC_HELP_STRING([--with-openssl=PFX],[Prefix where openssl is installed (optional)]),
openssl_prefix="$withval", openssl_prefix="")
if test "x$openssl_prefix" != "x" -a "x$openssl_prefix" != "xyes"; then
OPENSSL_LIBS="-L$openssl_prefix/lib -lssl"
OPENSSL_CFLAGS="-I$openssl_prefix/include"
else
AC_PATH_PROG([PKGCONFIG], [pkg-config], [no])
if test "$PKGCONFIG" != "no" && `$PKGCONFIG --exists openssl`; then
OPENSSL_CFLAGS=`$PKGCONFIG --cflags openssl`
OPENSSL_LIBS=`$PKGCONFIG --libs openssl`
else
if test "x$prefix" = "xNONE"; then
openssl_prefix="/usr/local"
else
openssl_prefix="$prefix"
fi
OPENSSL_LIBS="-L$openssl_prefix/lib -lssl"
OPENSSL_CFLAGS="-I$openssl_prefix/include"
fi
fi
# Now try linking to openssl
xt_save_CFLAGS="$CFLAGS"
xt_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
LIBS="$OPENSSL_LIBS $LIBS"
AC_TRY_LINK([#include <openssl/ssl.h>], [void *a = SSL_new], [openssl_ok='yes'])
CFLAGS="$xt_save_CFLAGS"
LIBS="$xt_save_LIBS"
if test "$openssl_ok" = "yes"; then
AC_DEFINE(HAVE_OPENSSL, 1, [Define if you have libopenssl.])
ifelse([$1], , :, [$1])
else
OPENSSL_LIBS=""
OPENSSL_CFLAGS=""
ifelse([$2], , :, [$2])
fi
])
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