Update upstream source from tag 'upstream/1.18'

[chroma-debian.git] / configure.ac

diff --git a/configure.ac b/configure.ac
new file mode 100644 (file)
index 0000000..68c5fa4
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,113 @@
+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)
+