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kc3-lang/SDL/test/configure.ac

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  • Author : Ozkan Sezer
    Date : 2021-01-23 03:41:02
    Hash : d0c5097c
    Message : minor autotools build system updates.

  • test/configure.ac
  • dnl Process this file with autoconf to produce a configure script.
    AC_INIT
    AC_CONFIG_SRCDIR([loopwave.c])
    
    dnl Detect the canonical build and host environments
    AC_CONFIG_AUX_DIRS($srcdir/../build-scripts)
    AC_CANONICAL_HOST
    
    dnl Check for tools
    AC_PROG_CC
    
    dnl Check for compiler environment
    AC_C_CONST
    
    dnl We only care about this for building testnative at the moment, so these
    dnl  values shouldn't be considered absolute truth.
    dnl  (Haiku, for example, sets none of these.)
    ISUNIX="false"
    ISWINDOWS="false"
    ISMACOSX="false"
    
    dnl Figure out which math library to use
    case "$host" in
        *-*-cygwin* | *-*-mingw32*)
            ISWINDOWS="true"
            EXE=".exe"
            MATHLIB=""
            SYS_GL_LIBS="-lopengl32"
            ;;
        *-*-haiku*)
            EXE=""
            MATHLIB=""
            SYS_GL_LIBS="-lGL"
            ;;
        *-*-darwin* )
            ISMACOSX="true"
            EXE=""
            MATHLIB=""
            SYS_GL_LIBS="-Wl,-framework,OpenGL"
            ;;
        *-*-aix*)
            ISUNIX="true"
            EXE=""
            if test x$ac_cv_c_compiler_gnu = xyes; then
                CFLAGS="-mthreads"
            fi
            SYS_GL_LIBS=""
            ;;
        *-*-mint*)
            EXE=""
            MATHLIB=""
            AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)
            if test "x$OSMESA_CONFIG" = "xyes"; then
                OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`
                OSMESA_LIBS=`$OSMESA_CONFIG --libs`
                CFLAGS="$CFLAGS $OSMESA_CFLAGS"
                SYS_GL_LIBS="$OSMESA_LIBS"
            else
                SYS_GL_LIBS="-lOSMesa"
            fi
            ;;
        *-*-qnx*)
            EXE=""
            MATHLIB=""
            SYS_GL_LIBS="-lGLES_CM"
            ;;
        *-*-emscripten* )
            dnl This should really be .js, but we need to specify extra flags when compiling to js
            EXE=".bc"
            MATHLIB=""
            SYS_GL_LIBS=""
            ;;
        *-*-riscos* )
            EXE=",e1f"
            MATHLIB=""
            SYS_GL_LIBS=""
            ;;
        *)
            dnl Oh well, call it Unix...
            ISUNIX="true"
            EXE=""
            MATHLIB="-lm"
            SYS_GL_LIBS="-lGL"
            ;;
    esac
    AC_SUBST(EXE)
    AC_SUBST(MATHLIB)
    AC_SUBST(ISMACOSX)
    AC_SUBST(ISWINDOWS)
    AC_SUBST(ISUNIX)
    
    dnl Check for SDL
    SDL_VERSION=2.0.0
    AM_PATH_SDL2($SDL_VERSION,
                :,
    	    AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
    )
    CFLAGS="$CFLAGS $SDL_CFLAGS"
    LIBS="$LIBS -lSDL2_test $SDL_LIBS"
    
    dnl Check for X11 path, needed for OpenGL on some systems
    AC_PATH_X
    if test x$have_x = xyes; then
        if test x$ac_x_includes = xno || test "x$ac_x_includes" = xNone || test "x$ac_x_includes" = x; then
            :
        else
            CFLAGS="$CFLAGS -I$ac_x_includes"
        fi
        if test x$ac_x_libraries = xno || test "x$ac_x_libraries" = xNone; then
            :
        else
            if test "x$ac_x_libraries" = x; then
                XPATH=""
                XLIB="-lX11"
            else
                XPATH="-L$ac_x_libraries"
                XLIB="-L$ac_x_libraries -lX11"
            fi
        fi
    fi
    
    dnl Check for OpenGL
    AC_MSG_CHECKING(for OpenGL support)
    have_opengl=no
    AC_TRY_COMPILE([
     #include "SDL_opengl.h"
     #ifndef SDL_VIDEO_OPENGL
     #error SDL_VIDEO_OPENGL
     #endif
    ],[
    ],[
    have_opengl=yes
    ])
    AC_MSG_RESULT($have_opengl)
    
    dnl Check for OpenGL ES
    AC_MSG_CHECKING(for OpenGL ES support)
    have_opengles=no
    AC_TRY_COMPILE([
     #include "SDL_opengles.h"
     #ifndef SDL_VIDEO_OPENGL_ES
     #error SDL_VIDEO_OPENGL_ES
     #endif
    ],[
    ],[
    have_opengles=yes
    ])
    AC_MSG_RESULT($have_opengles)
    
    dnl Check for OpenGL ES2
    AC_MSG_CHECKING(for OpenGL ES2 support)
    have_opengles2=no
    AC_TRY_COMPILE([
     #include "SDL_opengles2.h"
     #ifndef SDL_VIDEO_OPENGL_ES2
     #error SDL_VIDEO_OPENGL_ES2
     #endif
    ],[
    ],[
    have_opengles2=yes
    ])
    AC_MSG_RESULT($have_opengles2)
    
    GLLIB=""
    GLESLIB=""
    GLES2LIB=""
    OPENGLES1_TARGETS="UNUSED"
    OPENGLES2_TARGETS="UNUSED"
    OPENGL_TARGETS="UNUSED"
    if test x$have_opengles = xyes; then
        CFLAGS="$CFLAGS -DHAVE_OPENGLES"
        GLESLIB="$XPATH -lGLESv1_CM"
        OPENGLES1_TARGETS="TARGETS"
    fi
    if test x$have_opengles2 = xyes; then
        CFLAGS="$CFLAGS -DHAVE_OPENGLES2"
        #GLES2LIB="$XPATH -lGLESv2"
        OPENGLES2_TARGETS="TARGETS"
    fi
    if test x$have_opengl = xyes; then
        CFLAGS="$CFLAGS -DHAVE_OPENGL"
        GLLIB="$XPATH $SYS_GL_LIBS"
        OPENGL_TARGETS="TARGETS"
    fi
    
    AC_SUBST(OPENGLES1_TARGETS)
    AC_SUBST(OPENGLES2_TARGETS)
    AC_SUBST(OPENGL_TARGETS)
    AC_SUBST(GLLIB)
    AC_SUBST(GLESLIB)
    AC_SUBST(GLES2LIB)
    AC_SUBST(XLIB)
    
    dnl Check for SDL_ttf
    AC_CHECK_LIB(SDL2_ttf, TTF_Init, have_SDL_ttf=yes)
    if test x$have_SDL_ttf = xyes; then
        CFLAGS="$CFLAGS -DHAVE_SDL_TTF"
        SDL_TTF_LIB="-lSDL2_ttf"
    fi
    AC_SUBST(SDL_TTF_LIB)
    
    dnl Finally create all the generated files
    AC_CONFIG_FILES([Makefile])
    AC_OUTPUT