kc3-lang/SDL/test/configure.in

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• Hash : b72938c8
  Author :
  Date : 2015-04-20T12:22:44
  

  Windows: Always set the system timer resolution to 1ms by default. An existing hint lets apps that don't need the timer resolution changed avoid this, to save battery, etc, but this fixes several problems in timing, audio callbacks not firing fast enough, etc. Fixes Bugzilla #2944.

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• test/configure.in

• dnl Process this file with autoconf to produce a configure script.
  AC_INIT(README)
  
  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_prog_gcc = 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=""
          ;;
      *)
          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"
  ],[
  ],[
  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([
   #if defined (__IPHONEOS__)
      #include <OpenGLES/ES1/gl.h>
   #else
      #include <GLES/gl.h>
   #endif /* __QNXNTO__ */
  ],[
  ],[
  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([
   #if defined (__IPHONEOS__)
      #include <OpenGLES/ES2/gl.h>
      #include <OpenGLES/ES2/glext.h>
   #else
      #include <GLES2/gl2.h>
      #include <GLES2/gl2ext.h>
   #endif
  ],[
  ],[
  have_opengles2=yes
  ])
  AC_MSG_RESULT($have_opengles2)
  
  GLLIB=""
  GLESLIB=""
  GLES2LIB=""
  if test x$have_opengles = xyes; then
      CFLAGS="$CFLAGS -DHAVE_OPENGLES"
      GLESLIB="$XPATH -lGLESv1_CM"
  fi
  if test x$have_opengles2 = xyes; then
      CFLAGS="$CFLAGS -DHAVE_OPENGLES2"
      #GLES2LIB="$XPATH -lGLESv2"
  fi
  if test x$have_opengl = xyes; then
      CFLAGS="$CFLAGS -DHAVE_OPENGL"
      GLLIB="$XPATH $SYS_GL_LIBS"
  fi
  
  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_OUTPUT([Makefile])
  

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