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# Copyright © 2013 Intel Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
# Initialize Autoconf
AC_PREREQ([2.60])
AC_INIT([libepoxy],
[1.5.0],
[https://github.com/anholt/libepoxy],
[libepoxy])
AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
# Initialize Automake
AM_INIT_AUTOMAKE([foreign -Wno-portability dist-xz no-dist-gzip tar-ustar subdir-objects])
# Require X.Org macros 1.8 or later for MAN_SUBSTS set by XORG_MANPAGE_SECTIONS
m4_ifndef([XORG_MACROS_VERSION],
[m4_fatal([must install xorg-macros 1.8 or later before running autoconf/autogen.
Hint: either install from source, git://anongit.freedesktop.org/xorg/util/macros or,
depending on you distribution, try package 'xutils-dev' or 'xorg-x11-util-macros'])])
XORG_MACROS_VERSION(1.8)
XORG_DEFAULT_OPTIONS
AC_CHECK_PROGS([PYTHON], [python3 python2 python])
# Initialize libtool
AC_DISABLE_STATIC
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
AC_SYS_LARGEFILE
AC_CHECK_HEADER([KHR/khrplatform.h],
[AC_DEFINE([HAVE_KHRPLATFORM_H], [1],
[Define to 1 if you have <KHR/khrplatform.h> (used for tests)]
)]
)
# OS X defaults to having -Wint-conversion ("warn when passing
# uintptr_t to a void *") by default. Kill that.
XORG_TESTSET_CFLAG(CWARNFLAGS, [-Wno-int-conversion])
AC_ARG_ENABLE([x11],
[AC_HELP_STRING([--enable-x11=@<:@yes,no@:>@], [Enable X11 support @<:@default=yes@:>@])],
[enable_x11=$enableval],
[enable_x11=yes])
AC_ARG_ENABLE([glx],
[AC_HELP_STRING([--enable-glx=@<:@auto,yes,no@:>@], [Enable GLX support @<:@default=auto@:>@])],
[enable_glx=$enableval],
[enable_glx=auto])
# GLX can be used on different platforms, so we expose a
# configure time switch to enable or disable it; in case
# the "auto" default value is set, we only enable GLX
# support on Linux and Unix
AS_CASE([$enable_glx],
[auto], [
AS_CASE([$host_os],
[mingw*], [build_glx=no],
[darwin*], [build_glx=no],
[android*], [build_glx=no],
[build_glx=yes])
],
[yes], [
build_glx=yes
],
[no], [
build_glx=no
],
[AC_MSG_ERROR([Invalid value "$enable_glx" for option "--enable-glx"])]
])
AC_ARG_ENABLE([egl],
[AC_HELP_STRING([--enable-egl=@<:@auto,yes,no@:>@], [Enable EGL support @<:@default=auto@:>@])],
[enable_egl=$enableval],
[enable_egl=auto])
AS_CASE([$enable_egl],
[auto], [
AS_CASE([$host_os],
[mingw*], [build_egl=no],
[darwin*], [build_egl=no],
[build_egl=yes])
],
[yes], [
build_egl=yes
],
[no], [
build_egl=no
],
[AC_MSG_ERROR([Invalid value "$enable_egl" for option "--enable-egl"])]
])
# The remaining platform specific API are enabled depending on the
# platform we're building for
AS_CASE([$host_os],
[mingw*], [
build_wgl=yes
has_znow=yes
# On windows, the DLL has to have all of its functions
# resolved at link time, so we have to link directly aginst
# opengl32.dll. But that's the only GL provider, anyway.
EPOXY_LINK_LIBS="-lopengl32"
# Testing our built windows binaries requires that they be run
# under wine. Yeah, we should be nice and autodetect, but
# there's lots of missing autodetection for the testsuite
# (like checking for EGL and GLX libs in non-windows.).
AC_SUBST([LOG_COMPILER], [wine])
],
[darwin*], [
build_wgl=no
build_apple=yes
has_znow=no
EPOXY_LINK_LIBS=""
],
[
build_wgl=no
has_znow=yes
# On platforms with dlopen, we load everything dynamically and
# don't link against a specific window system or GL implementation.
EPOXY_LINK_LIBS=""
]
)
AC_SUBST(EPOXY_LINK_LIBS)
if test x$enable_x11 = xno; then
if test x$enable_glx = xyes; then
AC_MSG_ERROR([GLX support is explicitly enabled, but X11 was disabled])
fi
build_glx=no
fi
AM_CONDITIONAL(BUILD_EGL, test x$build_egl = xyes)
if test x$build_egl = xyes; then
PKG_CHECK_MODULES(EGL, [egl])
AC_DEFINE([BUILD_EGL], [1], [build EGL tests])
AC_DEFINE(ENABLE_EGL, [1], [Whether EGL support is enabled])
fi
AM_CONDITIONAL(BUILD_GLX, test x$build_glx = xyes)
if test x$build_glx = xyes; then
AC_DEFINE([BUILD_GLX], [1], [build GLX tests])
fi
AM_CONDITIONAL(BUILD_WGL, test x$build_wgl = xyes)
if test x$build_wgl = xyes; then
AC_DEFINE([BUILD_WGL], [1], [build WGL tests])
fi
AM_CONDITIONAL(BUILD_APPLE, test x$build_apple = xyes)
if test x$build_apple = xyes; then
AC_DEFINE([BUILD_APPLE], [1], [build APPLE is apple (for testing)])
fi
AM_CONDITIONAL(HAS_ZNOW, test x$has_znow = xyes)
AC_CHECK_LIB([GLESv1_CM], [glFlush], [has_gles1=yes], [has_gles1=no])
AM_CONDITIONAL(HAS_GLES1, test x$has_gles1 = xyes)
AC_CHECK_LIB([dl], [dlopen], [DLOPEN_LIBS="-ldl"])
AC_SUBST([DLOPEN_LIBS])
VISIBILITY_CFLAGS=""
AS_CASE(["$host"],
[*-*-mingw*], [
dnl on mingw32 we do -fvisibility=hidden and __declspec(dllexport)
AC_DEFINE([EPOXY_PUBLIC],
[__attribute__((visibility("default"))) __declspec(dllexport) extern],
[defines how to decorate public symbols while building])
VISIBILITY_CFLAGS="-fvisibility=hidden"
],
[
dnl on other compilers, check if we can do -fvisibility=hidden
SAVED_CFLAGS="${CFLAGS}"
CFLAGS="-fvisibility=hidden"
AC_MSG_CHECKING([for -fvisibility=hidden compiler flag])
AC_TRY_COMPILE([], [int main (void) { return 0; }], [
AC_MSG_RESULT(yes)
enable_fvisibility_hidden=yes
], [
AC_MSG_RESULT(no)
enable_fvisibility_hidden=no
])
CFLAGS="${SAVED_CFLAGS}"
AS_IF([test "${enable_fvisibility_hidden}" = "yes"], [
AC_DEFINE([EPOXY_PUBLIC],
[__attribute__((visibility("default"))) extern],
[defines how to decorate public symbols while building])
VISIBILITY_CFLAGS="-fvisibility=hidden"
])
]
)
AC_SUBST([VISIBILITY_CFLAGS])
if test x$enable_x11 = xyes; then
PKG_CHECK_MODULES(X11, [x11], [x11=yes], [x11=no])
if test x$x11 = xno -a x$build_glx = xyes; then
AC_MSG_ERROR([libX11 headers (libx11-dev) are required to build with GLX support])
fi
else
x11=no
fi
if test x$build_glx = xyes; then
AC_DEFINE(ENABLE_GLX, [1], [Whether GLX support is enabled])
fi
AM_CONDITIONAL(HAVE_X11, test x$x11 = xyes)
PKG_CHECK_MODULES(GL, [gl], [gl=yes], [gl=no])
PKG_CHECK_MODULES(EGL, [egl], [egl=yes], [egl=no])
GL_REQS=""
AS_IF([test x$gl = xyes], [GL_REQS="$GL_REQS gl"])
AS_IF([test x$build_egl = xyes && test x$egl = xyes], [GL_REQS="$GL_REQS egl"])
AC_SUBST(GL_REQS)
# Variables for the pkg-config file; AC_SUBST does not do `test` substitutions,
# so we need to specify the boolean values here
AS_IF([test x$build_glx = xyes], [epoxy_has_glx=1], [epoxy_has_glx=0])
AS_IF([test x$build_egl = xyes], [epoxy_has_egl=1], [epoxy_has_egl=0])
AS_IF([test x$build_wgl = xyes], [epoxy_has_wgl=1], [epoxy_has_wgl=0])
AC_SUBST(epoxy_has_glx)
AC_SUBST(epoxy_has_egl)
AC_SUBST(epoxy_has_wgl)
AC_CONFIG_FILES([
epoxy.pc
Makefile
include/epoxy/Makefile
src/Makefile
test/Makefile
])
AC_OUTPUT
echo " EGL: $build_egl"
echo " GLX: $build_glx"
echo " WGL: $build_wgl"
echo " PYTHON: $PYTHON"