# get rid of that stupid cache mechanism
rm -f config.cache

AC_INIT([eet], [1.1.0], [enlightenment-devel@lists.sourceforge.net])
AC_PREREQ([2.52])
AC_CONFIG_SRCDIR([configure.ac])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_ISC_POSIX

AM_INIT_AUTOMAKE(1.6 dist-bzip2)
AM_CONFIG_HEADER(config.h)

AC_PROG_CC
AM_PROG_CC_STDC
AC_HEADER_STDC
AC_C_CONST
AM_PROG_CC_C_O
AC_C___ATTRIBUTE__

AC_LIBTOOL_WIN32_DLL
define([AC_LIBTOOL_LANG_CXX_CONFIG], [:])dnl
define([AC_LIBTOOL_LANG_F77_CONFIG], [:])dnl
AC_PROG_LIBTOOL

VMAJ=`echo $PACKAGE_VERSION | awk -F. '{printf("%s", $1);}'`
VMIN=`echo $PACKAGE_VERSION | awk -F. '{printf("%s", $2);}'`
VMIC=`echo $PACKAGE_VERSION | awk -F. '{printf("%s", $3);}'`
SNAP=`echo $PACKAGE_VERSION | awk -F. '{printf("%s", $4);}'`
version_info=`expr $VMAJ + $VMIN`":$VMIC:$VMIN"
AC_SUBST(version_info)

PKG_PROG_PKG_CONFIG

WIN32_CFLAGS=""
WIN32_LIBS=""
lt_enable_auto_import=""
case "$host_os" in
   mingw* | cegcc*)
      PKG_CHECK_MODULES([EVIL], [evil])
      AC_DEFINE(HAVE_EVIL, 1, [Set to 1 if evil package is installed])
      dnl needed for correct definition of EAPI
      AC_DEFINE(EFL_EET_BUILD, 1, [Define to mention that eet is built])
      lt_enable_auto_import="-Wl,--enable-auto-import"
      ;;
esac

case "$host_os" in
   mingw32ce*)
      WIN32_LIBS="-lws2"
      ;;
   mingw*)
      WIN32_LIBS="-lws2_32"
      ;;
   cegcc*)
      WIN32_CFLAGS="-mwin32"
      WIN32_LIBS="-lws2"
      ;;
esac
AC_SUBST(WIN32_CFLAGS)
AC_SUBST(WIN32_LIBS)
AC_SUBST(lt_enable_auto_import)

AC_FUNC_ALLOCA

AC_CHECK_HEADER([zlib.h],
   [dummy="yes"],
   [AC_MSG_ERROR("Cannot find zlib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file")])

AC_CHECK_HEADER([jpeglib.h],
   [dummy="yes"],
   [AC_MSG_ERROR("Cannot find jpeglib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file")])

AC_CHECK_HEADERS(netinet/in.h)

AC_CHECK_HEADER([fnmatch.h],
   [dummy="yes"],
   [AC_MSG_ERROR([Cannot find fnmatch.h. Make sure your CFLAGS environment variable contains include lines for the location of this file. MinGW users: see the INSTALL file])])

AC_CHECK_FUNCS([fnmatch], [res="yes"], [res="no"])
if test "x$res" = "xno"; then
   AC_SEARCH_LIBS([fnmatch],
      [fnmatch iberty evil],
      [res="yes"],
      [res="no"])
   if test "x$res" = "xno"; then
      AC_MSG_ERROR([Cannot find fnmatch() in neither libc nor libfnmatch, nor libiberty, nor libevil])
	fi
fi

dnl These are needed for fmemopen/open_memstream
AC_DEFINE(_GNU_SOURCE, , [Enable GNU extensions])

AC_CHECK_FUNCS(fmemopen open_memstream realpath)

dnl Check whether the null pointer is zero on this arch
AC_MSG_CHECKING([value of the null pointer])
AC_TRY_RUN([
#include <stdlib.h>
int main (int argc, char **argv) {
  void *foo = NULL;
  int bar = (int)foo;
  return (int)foo;
}
], AC_MSG_RESULT([yes]), [
	AC_MSG_RESULT([no])
	AC_MSG_WARN([Your system is a bit too funny, eet might not work properly])
], AC_MSG_WARN([Cannot check when cross-compiling -- assuming null is okay])
)

dnl Unit Tests
EFL_CHECK_TESTS([enable_tests="yes"], [enable_tests="no"])
EFL_CHECK_COVERAGE([${enable_tests}], [enable_coverage="yes"], [enable_coverage="no"])

dnl Openssl support
want_openssl="auto"
have_openssl="no"
AC_ARG_ENABLE(openssl,
  [AC_HELP_STRING([--disable-openssl], [disable openssl eet support])],
  [ want_openssl=$enableval ]
)
if test "x$want_openssl" = "xyes" -o "x$want_openssl" = "xauto"; then
  PKG_CHECK_MODULES(OPENSSL, openssl,
    [
      have_openssl="yes"
      AC_DEFINE(HAVE_OPENSSL, 1, [Have Openssl support])
    ])
fi

dnl Crypto option
want_cypher="yes"
have_cypher="no"
want_signature="yes"
have_signature="no"

AC_ARG_ENABLE(cypher,
  [AC_HELP_STRING([--disable-cypher], [disable cypher support for eet API])],
  [ want_cypher=$enableval ]
)

if test "x$have_openssl" = "xyes" -a "x$want_cypher" = "xyes"; then
  have_cypher="yes"
  AC_DEFINE(HAVE_CYPHER, 1, [Have cypher support built in eet])
fi

AC_MSG_CHECKING(whether to activate cypher support in eet)
AC_MSG_RESULT($have_cypher)

AC_ARG_ENABLE(signature,
  [AC_HELP_STRING([--disable-signature], [disable signature file support for eet])],
  [ want_signature=$enableval ]
)

if test "x$have_openssl" = "xyes" -a "x$want_signature" = "xyes"; then
  have_signature="yes"
  AC_DEFINE(HAVE_SIGNATURE, 1, [Have signature support for eet file])
fi

AC_MSG_CHECKING(whether to activate signature support in eet)
AC_MSG_RESULT($have_signature)

dnl Disable support for old eet file format.
old_eet_file_format="yes"
AC_ARG_ENABLE(old-eet-file-format,
  AC_HELP_STRING(
    [--disable-old-eet-file-format],
    [disable old eet file format support. [[default=enabled]]]
  ),
  [ old_eet_file_format=$enableval ]
)
if test "x$old_eet_file_format" = "xyes"; then
  AC_DEFINE(EET_OLD_EET_FILE_FORMAT, 1, [support old eet file format])
else
  AC_DEFINE(EET_OLD_EET_FILE_FORMAT, 0, [support old eet file format])
fi

dnl Assert or fail.
prefer_assert="no"
AC_ARG_ENABLE(assert,
  AC_HELP_STRING(
    [--enable-assert],
    [enable assert, [[default=disabled]]]
  ),
  [ prefer_assert=$enableval ]
)
if test "x$prefer_assert" = "xno"; then
  DEBUG_CFLAGS="-DNDEBUG"
fi
AC_SUBST(DEBUG_CFLAGS)

PKG_CHECK_MODULES(EINA, [eina-0])

EFL_CHECK_DOXYGEN([enable_doc="yes"], [enable_doc="no"])

AC_OUTPUT([
Makefile
eet.pc
doc/Makefile
doc/eet.c
src/Makefile
src/lib/Makefile
src/bin/Makefile
src/tests/Makefile
README
eet.spec
])


#####################################################################
## Info

echo
echo
echo
echo "------------------------------------------------------------------------"
echo "$PACKAGE_NAME $PACKAGE_VERSION"
echo "------------------------------------------------------------------------"
echo
echo "Configuration Options Summary:"
echo
echo "  Openssl..............: ${have_openssl}"
echo "    Cypher support.....: ${have_cypher}"
echo "    Signature..........: ${have_signature}"
echo
echo "  Documentation........: ${enable_doc}"
echo "  Tests................: ${enable_tests}"
echo "  Coverage.............: ${enable_coverage}"
echo
echo "  Old eet file format..: ${old_eet_file_format}"
echo
echo "  Compilation..........: make"
echo
echo "  Installation.........: make install"
echo
echo "    prefix.............: $prefix"
echo