premiere-libtorrent/m4/check_ssl.m4

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##### http://autoconf-archive.cryp.to/check_ssl.html
#
# SYNOPSIS
#
# CHECK_SSL
#
# DESCRIPTION
#
# This macro will check various standard spots for OpenSSL including
# a user-supplied directory. The user uses '--with-ssl' or
# '--with-ssl=/path/to/ssl' as arguments to configure.
#
# If OpenSSL is found the include directory gets added to CFLAGS and
# CXXFLAGS as well as '-DHAVE_SSL', '-lssl' & '-lcrypto' get added to
# LIBS, and the libraries location gets added to LDFLAGS. Finally
# 'HAVE_SSL' gets set to 'yes' for use in your Makefile.in I use it
# like so (valid for gmake):
#
# HAVE_SSL = @HAVE_SSL@
# ifeq ($(HAVE_SSL),yes)
# SRCS+= @srcdir@/my_file_that_needs_ssl.c
# endif
#
# For bsd 'bmake' use:
#
# .if ${HAVE_SSL} == "yes"
# SRCS+= @srcdir@/my_file_that_needs_ssl.c
# .endif
#
# LAST MODIFICATION
#
# 2003-01-28
#
# COPYLEFT
#
# Copyright (c) 2003 Mark Ethan Trostler <trostler@juniper.net>
#
# Copying and distribution of this file, with or without
# modification, are permitted in any medium without royalty provided
# the copyright notice and this notice are preserved.
AC_DEFUN([CHECK_SSL],
[
dnl AC_MSG_CHECKING(if ssl is wanted)
AC_ARG_WITH(ssl,
[ --with-ssl enable ssl [will check /usr/local/ssl
/usr/lib/ssl /usr/ssl /usr/pkg /usr/local /usr ]
])
dnl [ AC_MSG_RESULT(yes)
for dir in $withval /usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /usr; do
ssldir="$dir"
if test -f "$dir/include/openssl/ssl.h"; then
found_ssl="yes";
SSL_CFLAGS="$CFLAGS -I$ssldir/include/openssl -DHAVE_SSL";
AC_SUBST(SSL_CFLAGS)
SSL_CXXFLAGS="$CXXFLAGS -I$ssldir/include/openssl -DHAVE_SSL";
AC_SUBST(SSL_CXXFLAGS)
break;
fi
if test -f "$dir/include/ssl.h"; then
found_ssl="yes";
SSL_CFLAGS="$CFLAGS -I$ssldir/include/ -DHAVE_SSL";
AC_SUBST(SSL_CFLAGS)
SSL_CXXFLAGS="$CXXFLAGS -I$ssldir/include/ -DHAVE_SSL";
AC_SUBST(SSL_CXXFLAGS)
break
fi
done
if test x_$found_ssl != x_yes; then
AC_MSG_ERROR(Cannot find ssl libraries)
else
printf "OpenSSL found in $ssldir\n";
SSL_LIBS="$LIBS -lssl -lcrypto";
AC_SUBST(SSL_LIBS)
SSL_LDFLAGS="$LDFLAGS -L$ssldir/lib";
AC_SUBST(SSL_LDFLAGS)
HAVE_SSL=yes
fi
AC_SUBST(HAVE_SSL)
dnl ],
dnl [
dnl AC_MSG_RESULT(no)
dnl ])
])dnl