AC_PREREQ(2.60a)
AC_INIT(libass, 0.9.6)
AM_INIT_AUTOMAKE
AC_CONFIG_MACRO_DIR([shave])
AM_PROG_LIBTOOL
AC_CONFIG_SRCDIR([libass/ass.c])
AC_CONFIG_HEADER([config.h])

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP

# Checks for libraries.
AC_SEARCH_LIBS([iconv_open], [iconv], AC_DEFINE(CONFIG_ICONV, 1, [use iconv]))

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([inttypes.h stdint.h stdlib.h string.h sys/time.h unistd.h iconv.h enca.h])

# Check for libraries via pkg-config
PKG_CHECK_MODULES([FONTCONFIG], fontconfig >= 2.2.0, [
    CFLAGS="$CFLAGS $FONTCONFIG_CFLAGS"
    LIBS="$LIBS $FONTCONFIG_LIBS"
    AC_DEFINE(CONFIG_FONTCONFIG, 1, [found fontconfig via pkg-config])
    ], [true])

PKG_CHECK_MODULES([FREETYPE], freetype2 >= 9.6.3, [
    CFLAGS="$CFLAGS $FREETYPE_CFLAGS"
    LIBS="$LIBS $FREETYPE_LIBS"
    AC_DEFINE(CONFIG_FREETYPE, 1, [found freetype2 via pkg-config])
    ])

PKG_CHECK_MODULES([ENCA], enca, [
    CFLAGS="$CFLAGS $ENCA_CFLAGS"
    LIBS="$LIBS $ENCA_LIBS"
    AC_DEFINE(CONFIG_ENCA, 1, [found enca via pkg-config])
	])

PKG_CHECK_MODULES([LIBPNG], libpng >= 1.2.0, [
    CFLAGS="$CFLAGS $LIBPNG_CFLAGS"
    LIBS="$LIBS $LIBPNG_LIBS"
    AC_DEFINE(CONFIG_LIBPNG, 1, [found libpng via pkg-config])
	])

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_TYPE_INT64_T
AC_TYPE_SIZE_T
AC_STRUCT_TM
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_REALLOC
AC_FUNC_STAT
AC_FUNC_STRTOD
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([memset mkdir strcasecmp strchr strdup strerror strstr strtol])

# Setup output beautifier.
SHAVE_INIT([shave], [enable])

# More sensible compile flags
CFLAGS="$CFLAGS -Wall"

AC_CONFIG_FILES([Makefile libass/Makefile test/Makefile libass.pc shave/shave shave/shave-libtool])
AC_OUTPUT