configure.in

# Process this file with autoconf to produce a configure script.
AC_INIT(src/gcgi.c)
AC_CONFIG_AUX_DIR(config)
AM_CONFIG_HEADER(config.h)

GCGI_MAJOR=0
GCGI_MINOR=9
GCGI_PATCH=5
GCGI_VERSION="$GCGI_MAJOR.$GCGI_MINOR.$GCGI_PATCH"
VERSION=$GCGI_VERSION

AM_INIT_AUTOMAKE(libgcgi.a, [$VERSION])

# Checks for programs.
AC_PROG_CC
AC_STDC_HEADERS
AC_PROG_MAKE_SET
AM_PROG_LIBTOOL

# Checks for libraries.
AC_CHECK_LIB([m], [floor])

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([errno.h stdlib.h string.h unistd.h regex.h ctype.h math.h sys/types.h strings.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T

# Checks for library functions.
AC_CHECK_FUNCS([floor memset regcomp setenv strcasecmp strncasecmp strtol malloc strtod])

dnl ##########################################################################
dnl Enable SSL?
dnl ##########################################################################

AC_ARG_WITH(openssl, [  --with-openssl          Enable OpenSSL [default=no]],[
        with_ssl=$withval
],[
        with_ssl=no
])

AC_MSG_CHECKING([whether to build OpenSSL support])
if test "x$with_ssl" != xno  ; then
   if test -d $with_ssl && test -f "$with_ssl/include/openssl/evp.h" ; then
      ssldir=$with_ssl
   else
        AC_TRY_COMPILE([#include <openssl/evp.h>], ,
                        ssldir=default,
                        ssldir="")
        if test "x$ssldir" = x ; then
           for prefixdir in /usr /usr/local /usr/lib /usr/pkg /var /opt; do
               for dir in $prefixdir $prefixdir/openssl $prefixdir/ssl; do
                   if test -f "$dir/include/openssl/evp.h"; then
                      ssldir=$dir
                   fi
               done
           done
        fi
   fi
fi

if test "x$with_ssl" != xno; then
   if test -z "$ssldir"; then
      AC_MSG_ERROR([OpenSSL requested but no headers found.])
   else
        AC_MSG_RESULT(yes)
        LIBS="$LIBS -lssl -lcrypto"
        if test "x$ssldir" != xdefault ; then
		LDFLAGS="-L${ssldir}/lib $LDFLAGS"
                CPPFLAGS="-I${ssldir}/include $CPPFLAGS"
        fi
	AC_DEFINE(USE_SSL, 1,[Use OpenSSL to encrypt cookies.])
   fi
else
   AC_MSG_RESULT(no)
fi

AC_SUBST(ac_aux_dir)

AC_OUTPUT([
Makefile
src/Makefile
examples/Makefile
doc/Makefile
])