[SDL] SDL_ttf and SDL_image with autoconf/automake/libtool

[Thomas Krennwallner]

Hi!

I have a projects which needs SDL_ttf and SDL_image. It also uses the
auto*/libtool tools. To find SDL I copied sdl.m4 to my m4 directory and
called AM_PATH_SDL in configure.ac. Then I check for SDL_ttf with

AC_CHECK_LIB(SDL_ttf, TTF_Quit, have_sdl_ttf=yes)

If it's found I add -lSDL_ttf to LIBS through

LIBS="$LIBS -lSDL_ttf"

Same procedure with SDL_image.

All works fine if the libraries are installed in the "right" places
(eg. /usr/local). But if SDL/SDL_ttf/SDL_image is installed in eg.
~/local/lib (and I pass --with-sdl-prefix=~/local to my configure
script) _and_ in /usr/local/lib (/usr/local/lib is another version
of the libs), libtool tries to link with SDL in ~/local _and_ /usr/local
like this:

gcc -SOME_PARAMS -L/home/user/local/lib /home/user/local/lib/libSDL.so -lm -L/usr/X11R6/lib -lX11 -lXv /home/user/local/lib/libSDL_image.so -lpng -lz /usr/local/lib/libSDL_ttf.so /usr/local/lib/libSDL.so -lpthread -lfreetype .....

There is no /usr/local/lib/libSDL_ttf.so so the link fails.

So my question is: how do I setup the auto*/libtool tools with the SDL
library gang the right way?

So long
Thomas

-- 
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