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dnl Process this file with autoconf to produce a configure script.
AC_INIT(main.c)
AC_ARG_ENABLE(sdl,
[ --enable-sdl build SDL chroma],
[with_sdl=$enableval],
[with_sdl=yes],
)
AC_ARG_ENABLE(curses,
[ --enable-curses build curses chroma],
[with_curses=$enableval],
[with_curses=yes],
)
dnl Check for programs
AC_PROG_CC
AC_PROG_INSTALL
dnl Check for SDL
if test "$with_sdl" = "yes"; then
AC_PATH_PROG(SDLCONFIG, sdl-config, no)
if test "$SDLCONFIG" = "no"; then
AC_MSG_ERROR([*** Unable to find sdl-config])
else
CFLAGS="$CFLAGS "`sdl-config --cflags`
LDFLAGS="$LDFLAGS "`sdl-config --libs`
fi
fi
dnl Check for SDL_image library
if test "$with_sdl" = "yes"; then
AC_CHECK_LIB(SDL_image, IMG_LoadPNG_RW)
if test "$ac_cv_lib_SDL_image_IMG_LoadPNG_RW" != "yes"; then
AC_MSG_ERROR([*** Unable to find SDL_image library with PNG support])
fi
fi
dnl Check for the FreeType 2 library
if test "$with_sdl" = "yes"; then
AC_ARG_WITH(freetype-prefix,[ --with-freetype-prefix=PFX Prefix where FREETYPE is installed (optional)], freetype_prefix="$withval", freetype_prefix="")
AC_ARG_WITH(freetype-exec-prefix,[ --with-freetype-exec-prefix=PFX Exec prefix where FREETYPE is installed (optional)], freetype_exec_prefix="$withval", freetype_exec_prefix="")
if test x$freetype_exec_prefix != x ; then
freetype_args="$freetype_args --exec-prefix=$freetype_exec_prefix"
if test x${FREETYPE_CONFIG+set} != xset ; then
FREETYPE_CONFIG=$freetype_exec_prefix/bin/freetype-config
fi
fi
if test x$freetype_prefix != x ; then
freetype_args="$freetype_args --prefix=$freetype_prefix"
if test x${FREETYPE_CONFIG+set} != xset ; then
FREETYPE_CONFIG=$freetype_prefix/bin/freetype-config
fi
fi
AC_PATH_PROG(FREETYPE_CONFIG, freetype-config, no)
no_freetype=""
if test "$FREETYPE_CONFIG" = "no" ; then
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
if test "$PKG_CONFIG" = "no" ; then
AC_MSG_ERROR([*** Unable to find FreeType2 library (http://www.freetype.org/)])
else
CFLAGS="$CFLAGS `$PKG_CONFIG freetype2 --cflags`"
LIBS="$LIBS `$PKG_CONFIG freetype2 --libs`"
fi
else
CFLAGS="$CFLAGS `$FREETYPE_CONFIG $freetypeconf_args --cflags`"
LIBS="$LIBS `$FREETYPE_CONFIG $freetypeconf_args --libs`"
fi
fi
dnl Check for curses library
if test "$with_curses" = "yes"; then
CURSES="ncurses"
AC_CHECK_LIB(ncurses, initscr)
if test "$ac_cv_lib_ncurses_initscr" != "yes"; then
CURSES="curses"
AC_CHECK_LIB(curses, initscr)
if test "$ac_cv_lib_curses_initscr" != "yes"; then
CURSES=""
fi
fi
if test "$CURSES" = ""; then
AC_MSG_ERROR([*** Unable to find curses / ncurses library])
fi
fi
dnl Check for gettext library
AC_SEARCH_LIBS(gettext, intl)
dnl Determine targets to build
TARGETS=""
TARGETSCLEAN=""
TARGETSINSTALL=""
if test "$with_sdl" = "yes"; then
TARGETS="$TARGETS chroma-sdl"
TARGETSCLEAN="$TARGETSCLEAN clean-sdl";
TARGETSINSTALL="$TARGETSINSTALL install-sdl";
fi
if test "$with_curses" = "yes"; then
TARGETS="$TARGETS chroma-curses"
TARGETSCLEAN="$TARGETSCLEAN clean-curses";
TARGETSINSTALL="$TARGETSINSTALL install-curses";
fi
if test "$TARGETS" = ""; then
AC_MSG_ERROR([*** Nothing to build - specify either --enable-sdl and/or --enable-curses])
fi
AC_SUBST(CURSES)
AC_SUBST(TARGETS)
AC_SUBST(TARGETSCLEAN)
AC_SUBST(TARGETSINSTALL)
AC_OUTPUT(Makefile)
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