configure.in
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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($srcdir/../build-scripts)
AC_CANONICAL_HOST
dnl Check for tools
AC_PROG_CC
dnl Check for compiler environment
AC_C_CONST
dnl We only care about this for building testnative at the moment, so these
dnl values shouldn't be considered absolute truth.
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dnl (Haiku, for example, sets none of these.)
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ISUNIX="false"
ISWINDOWS="false"
ISMACOSX="false"
dnl Figure out which math library to use
case "$host" in
*-*-cygwin* | *-*-mingw32*)
ISWINDOWS="true"
EXE=".exe"
MATHLIB=""
SYS_GL_LIBS="-lopengl32"
;;
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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"
;;
*)
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 $SDL_CFLAGS"
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LIBS="$LIBS -lSDL2_test $SDL_LIBS"
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dnl Check for X11 path, needed for OpenGL on some systems
AC_PATH_X
if test x$have_x = xyes; then
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if test x$ac_x_includes = xno || test "x$ac_x_includes" = xNone || test "x$ac_x_includes" = x; then
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:
else
CFLAGS="$CFLAGS -I$ac_x_includes"
fi
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if test x$ac_x_libraries = xno || test "x$ac_x_libraries" = xNone; then
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:
else
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if test "x$ac_x_libraries" = x; then
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XPATH=""
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XLIB="-lX11"
else
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XPATH="-L$ac_x_libraries"
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XLIB="-L$ac_x_libraries -lX11"
fi
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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)
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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($have_opengles2)
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GLESLIB=""
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GLES2LIB=""
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if test x$have_opengles = xyes; then
CFLAGS="$CFLAGS -DHAVE_OPENGLES"
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GLESLIB="$XPATH -lGLESv1_CM"
fi
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if test x$have_opengles2 = xyes; then
CFLAGS="$CFLAGS -DHAVE_OPENGLES2"
GLES2LIB="$XPATH -lGLESv2"
fi
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if test x$have_opengl = xyes; then
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CFLAGS="$CFLAGS -DHAVE_OPENGL"
GLLIB="$XPATH $SYS_GL_LIBS"
fi
AC_SUBST(GLLIB)
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AC_SUBST(GLESLIB)
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AC_SUBST(GLES2LIB)
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AC_SUBST(XLIB)
dnl Check for SDL_ttf
AC_CHECK_LIB(SDL2_ttf, TTF_Init, have_SDL_ttf=yes)
if test x$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])