290 lines
7.6 KiB
Plaintext
290 lines
7.6 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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AC_INIT
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AC_CONFIG_SRCDIR([loopwave.c])
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dnl Detect the canonical build and host environments
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AC_CONFIG_AUX_DIR([../build-scripts])
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AC_CANONICAL_HOST
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dnl Check for tools
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AC_PROG_CC
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dnl Check for compiler environment
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AC_C_CONST
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dnl We only care about this for building testnative at the moment, so these
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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"
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ISWINDOWS="false"
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ISMACOSX="false"
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ISOS2="false"
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dnl Figure out which math library to use
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case "$host" in
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*-*-cygwin* | *-*-mingw*)
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ISWINDOWS="true"
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EXE=".exe"
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MATHLIB=""
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SYS_GL_LIBS="-lopengl32"
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;;
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*-*-haiku*)
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EXE=""
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MATHLIB=""
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SYS_GL_LIBS="-lGL"
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;;
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*-*-darwin*)
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ISMACOSX="true"
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EXE=""
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MATHLIB=""
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SYS_GL_LIBS="-Wl,-framework,OpenGL"
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;;
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*-*-aix*)
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ISUNIX="true"
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EXE=""
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if test x$ac_cv_c_compiler_gnu = xyes; then
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CFLAGS="-mthreads"
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fi
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SYS_GL_LIBS=""
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;;
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*-*-mint*)
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EXE=""
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MATHLIB=""
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AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)
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if test "x$OSMESA_CONFIG" = "xyes"; then
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OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`
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OSMESA_LIBS=`$OSMESA_CONFIG --libs`
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CFLAGS="$CFLAGS $OSMESA_CFLAGS"
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SYS_GL_LIBS="$OSMESA_LIBS"
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else
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SYS_GL_LIBS="-lOSMesa"
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fi
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;;
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*-*-qnx*)
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EXE=""
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MATHLIB=""
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SYS_GL_LIBS="-lGLES_CM"
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;;
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*-*-emscripten*)
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dnl This should really be .js, but we need to specify extra flags when compiling to js
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EXE=".bc"
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MATHLIB=""
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SYS_GL_LIBS=""
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;;
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*-*-riscos*)
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EXE=",e1f"
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MATHLIB=""
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SYS_GL_LIBS=""
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;;
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*-*-os2*)
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ISOS2="true"
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EXE=".exe"
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MATHLIB=""
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SYS_GL_LIBS=""
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;;
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*)
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dnl Oh well, call it Unix...
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ISUNIX="true"
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EXE=""
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MATHLIB="-lm"
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dnl Use the new libOpenGL if present.
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AC_CHECK_LIB(OpenGL, glBegin,
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[SYS_GL_LIBS="-lOpenGL"],[SYS_GL_LIBS="-lGL"])
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;;
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esac
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AC_SUBST(EXE)
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AC_SUBST(MATHLIB)
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AC_SUBST(ISMACOSX)
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AC_SUBST(ISWINDOWS)
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AC_SUBST(ISUNIX)
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AC_SUBST(ISOS2)
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dnl Check for SDL
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SDL_VERSION=2.0.18
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AM_PATH_SDL2($SDL_VERSION,
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:,
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AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
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)
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CFLAGS="$CFLAGS $SDL_CFLAGS"
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LIBS="$LIBS -lSDL2_test $SDL_LIBS"
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dnl Check for X11 path, needed for OpenGL on some systems
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AC_PATH_X
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if test x$have_x = xyes; then
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if test x$ac_x_includes = xno || test "x$ac_x_includes" = xNone || test "x$ac_x_includes" = x; then
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:
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else
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CFLAGS="$CFLAGS -I$ac_x_includes"
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fi
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if test x$ac_x_libraries = xno || test "x$ac_x_libraries" = xNone; then
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:
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else
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if test "x$ac_x_libraries" = x; then
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XPATH=""
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XLIB="-lX11"
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else
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XPATH="-L$ac_x_libraries"
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XLIB="-L$ac_x_libraries -lX11"
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fi
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fi
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fi
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dnl Check for OpenGL
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AC_MSG_CHECKING(for OpenGL support)
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have_opengl=no
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include "SDL_opengl.h"
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#ifndef SDL_VIDEO_OPENGL
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#error SDL_VIDEO_OPENGL
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#endif
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]],[])], [have_opengl=yes],[])
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AC_MSG_RESULT($have_opengl)
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dnl Check for OpenGL ES
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AC_MSG_CHECKING(for OpenGL ES support)
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have_opengles=no
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include "SDL_opengles.h"
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#ifndef SDL_VIDEO_OPENGL_ES
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#error SDL_VIDEO_OPENGL_ES
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#endif
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]],[])] ,[have_opengles=yes],[])
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AC_MSG_RESULT($have_opengles)
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dnl Check for OpenGL ES2
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AC_MSG_CHECKING(for OpenGL ES2 support)
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have_opengles2=no
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include "SDL_opengles2.h"
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#ifndef SDL_VIDEO_OPENGL_ES2
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#error SDL_VIDEO_OPENGL_ES2
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#endif
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]],[])], [have_opengles2=yes],[])
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AC_MSG_RESULT($have_opengles2)
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GLLIB=""
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GLESLIB=""
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GLES2LIB=""
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OPENGLES1_TARGETS="UNUSED"
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OPENGLES2_TARGETS="UNUSED"
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OPENGL_TARGETS="UNUSED"
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if test x$have_opengles = xyes; then
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CFLAGS="$CFLAGS -DHAVE_OPENGLES"
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GLESLIB="$XPATH -lGLESv1_CM"
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OPENGLES1_TARGETS="TARGETS"
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fi
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if test x$have_opengles2 = xyes; then
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CFLAGS="$CFLAGS -DHAVE_OPENGLES2"
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#GLES2LIB="$XPATH -lGLESv2"
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OPENGLES2_TARGETS="TARGETS"
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fi
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if test x$have_opengl = xyes; then
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CFLAGS="$CFLAGS -DHAVE_OPENGL"
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GLLIB="$XPATH $SYS_GL_LIBS"
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OPENGL_TARGETS="TARGETS"
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fi
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AC_MSG_CHECKING(for GCC -Wformat)
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have_wformat=no
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save_CFLAGS="$CFLAGS"
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CFLAGS="$save_CFLAGS -Wformat"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int x = 0;]],[])],
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[have_wformat=yes], [])
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AC_MSG_RESULT($have_wformat)
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CFLAGS="$save_CFLAGS"
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if test x$have_wformat = xyes; then
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CFLAGS="$CFLAGS -DHAVE_WFORMAT"
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fi
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AC_MSG_CHECKING(for GCC -Wformat-overflow)
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have_wformat_overflow=no
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save_CFLAGS="$CFLAGS"
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CFLAGS="$save_CFLAGS -Wformat-overflow"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int x = 0;]],[])],
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[have_wformat_overflow=yes], [])
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AC_MSG_RESULT($have_wformat_overflow)
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CFLAGS="$save_CFLAGS"
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if test x$have_wformat_overflow = xyes; then
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CFLAGS="$CFLAGS -DHAVE_WFORMAT_OVERFLOW"
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fi
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AC_MSG_CHECKING(for GCC -Wformat-extra-args)
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have_wformat_extra_args=no
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save_CFLAGS="$CFLAGS"
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CFLAGS="$save_CFLAGS -Wformat-extra-args"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int x = 0;]],[])],
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[have_wformat_extra_args=yes], [])
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AC_MSG_RESULT($have_wformat_extra_args)
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CFLAGS="$save_CFLAGS"
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if test x$have_wformat_extra_args = xyes; then
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CFLAGS="$CFLAGS -DHAVE_WFORMAT_EXTRA_ARGS"
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fi
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AC_ARG_ENABLE(werror,
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[AS_HELP_STRING([--enable-werror], [treat warnings as errors [default=no]])],
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enable_werror=$enableval, enable_werror=no)
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if test x$enable_werror = xyes; then
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AC_MSG_CHECKING(for GCC -Werror option)
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have_gcc_werror=no
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save_CFLAGS="$CFLAGS"
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CFLAGS="$save_CFLAGS -Werror"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int x = 0;]],[])],
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[have_gcc_werror=yes], [])
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AC_MSG_RESULT($have_gcc_werror)
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CFLAGS="$save_CFLAGS"
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if test x$have_gcc_werror = xyes; then
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CFLAGS="$CFLAGS -Werror"
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fi
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fi
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case "$host" in
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*-ios-*|*-*-darwin* )
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AC_MSG_CHECKING(for GCC -Wno-error=deprecated-declarations option)
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have_gcc_wno_error_deprecated_declarations=no
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save_CFLAGS="$CFLAGS"
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CFLAGS="$save_CFLAGS -Wno-error=deprecated-declarations"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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int x = 0;
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]],[])], [have_gcc_wno_error_deprecated_declarations=yes],[])
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AC_MSG_RESULT($have_gcc_werror)
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CFLAGS="$save_CFLAGS"
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if test x$have_gcc_wno_error_deprecated_declarations = xyes; then
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EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-error=deprecated-declarations"
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fi
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;;
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esac
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AC_SUBST(OPENGLES1_TARGETS)
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AC_SUBST(OPENGLES2_TARGETS)
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AC_SUBST(OPENGL_TARGETS)
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AC_SUBST(GLLIB)
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AC_SUBST(GLESLIB)
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AC_SUBST(GLES2LIB)
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AC_SUBST(XLIB)
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dnl Check for SDL_ttf
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AC_CHECK_LIB(SDL2_ttf, TTF_Init, have_SDL_ttf=yes)
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if test x$have_SDL_ttf = xyes; then
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CFLAGS="$CFLAGS -DHAVE_SDL_TTF"
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SDL_TTF_LIB="-lSDL2_ttf"
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fi
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AC_SUBST(SDL_TTF_LIB)
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dnl Really, SDL2_test should be linking against libunwind (if it found
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dnl libunwind.h when configured), but SDL2_test is a static library, so
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dnl there's no way for it to link against it. We could make SDL2 depend on
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dnl it, but we don't want all SDL2 build to suddenly gain an extra dependency,
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dnl so just assume that if it's here now, SDL2_test was probably built with it.
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PKG_CHECK_MODULES(LIBUNWIND, libunwind, have_libunwind=yes, have_libunwind=no)
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if test x$have_libunwind = xyes ; then
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LIBS="$LIBS $LIBUNWIND_LIBS"
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fi
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dnl Finally create all the generated files
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AC_CONFIG_FILES([Makefile])
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AC_OUTPUT
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