+AC_CANONICAL_HOST
+if test "x$LIBKMS" = xauto ; then
+ case $host_os in
+ linux*) LIBKMS="yes" ;;
+ freebsd* | kfreebsd*-gnu)
+ LIBKMS="yes" ;;
+ dragonfly*) LIBKMS="yes" ;;
+ *) LIBKMS="no" ;;
+ esac
+fi
+
+AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
+
+AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" = xyes])
+if test "x$INTEL" = xyes; then
+ AC_DEFINE(HAVE_INTEL, 1, [Have intel support])
+fi
+
+AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
+if test "x$VMWGFX" = xyes; then
+ AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
+fi
+
+AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
+if test "x$NOUVEAU" = xyes; then
+ AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
+fi
+
+AM_CONDITIONAL(HAVE_OMAP, [test "x$OMAP" = xyes])
+if test "x$OMAP" = xyes; then
+ AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
+fi
+
+AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
+if test "x$EXYNOS" = xyes; then
+ AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS support])
+fi
+
+AM_CONDITIONAL(HAVE_FREEDRENO, [test "x$FREEDRENO" = xyes])
+if test "x$FREEDRENO" = xyes; then
+ AC_DEFINE(HAVE_FREEDRENO, 1, [Have freedreno support])
+fi
+
+AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
+if test "x$RADEON" = xyes; then
+ AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
+fi
+
+AM_CONDITIONAL(HAVE_INSTALL_TESTS, [test "x$INSTALL_TESTS" = xyes])
+if test "x$INSTALL_TESTS" = xyes; then
+ AC_DEFINE(HAVE_INSTALL_TESTS, 1, [Install test programs])
+fi
+
+AC_ARG_ENABLE([cairo-tests],
+ [AS_HELP_STRING([--enable-cairo-tests],
+ [Enable support for Cairo rendering in tests (default: auto)])],
+ [CAIRO=$enableval], [CAIRO=auto])
+PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
+AC_MSG_CHECKING([whether to enable Cairo tests])
+if test "x$CAIRO" = xauto; then
+ CAIRO="$HAVE_CAIRO"
+fi
+if test "x$CAIRO" = xyes; then
+ if ! test "x$HAVE_CAIRO" = xyes; then
+ AC_MSG_ERROR([Cairo support required but not present])
+ fi
+ AC_DEFINE(HAVE_CAIRO, 1, [Have Cairo support])
+fi
+AC_MSG_RESULT([$CAIRO])
+AM_CONDITIONAL(HAVE_CAIRO, [test "x$CAIRO" = xyes])
+
+# For enumerating devices in test case
+PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
+if test "x$HAVE_LIBUDEV" = xyes; then
+ AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
+fi
+AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
+
+# xsltproc for docbook manpages
+AC_ARG_ENABLE([manpages],
+ AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
+ [MANS=$enableval], [MANS=auto])
+AC_PATH_PROG(XSLTPROC, xsltproc)
+AM_CONDITIONAL([BUILD_MANPAGES], [test "x$XSLTPROC" != "x" -a "x$MANS" != "xno"])
+
+# check for offline man-pages stylesheet
+AC_MSG_CHECKING([for docbook manpages stylesheet])
+MANPAGES_STYLESHEET="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
+AC_PATH_PROGS_FEATURE_CHECK([XSLTPROC_TMP], [xsltproc],
+ AS_IF([`"$ac_path_XSLTPROC_TMP" --nonet "$MANPAGES_STYLESHEET" > /dev/null 2>&1`],
+ [HAVE_MANPAGES_STYLESHEET=yes]))
+if test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"; then
+ AC_SUBST(MANPAGES_STYLESHEET)
+ AC_MSG_RESULT([yes])
+else
+ AC_MSG_RESULT([no])
+fi
+AM_CONDITIONAL([HAVE_MANPAGES_STYLESHEET], [test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"])
+
+if test "x$INTEL" != "xno" -o "x$RADEON" != "xno" -o "x$NOUVEAU" != "xno" -o "x$OMAP" != "xno" -o "x$FREEDRENO" != "xno" -o "x$VIGS" != "xno"; then
+ # Check for atomic intrinsics
+ AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
+ [
+ drm_cv_atomic_primitives="none"
+
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
+ int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
+ ]],[[]])],
+ [drm_cv_atomic_primitives="Intel"],[])
+
+ if test "x$drm_cv_atomic_primitives" = "xnone"; then
+ AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
+ fi
+
+ # atomic functions defined in <atomic.h> & libc on Solaris
+ if test "x$drm_cv_atomic_primitives" = "xnone"; then
+ AC_CHECK_FUNC([atomic_cas_uint],
+ drm_cv_atomic_primitives="Solaris")
+ fi
+
+ ])
+ if test "x$drm_cv_atomic_primitives" = xIntel; then
+ AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
+ [Enable if your compiler supports the Intel __sync_* atomic primitives])
+ fi
+ if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
+ AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
+ fi
+
+ if test "x$drm_cv_atomic_primitives" = "xnone"; then
+ if test "x$INTEL" != "xauto"; then
+ if test "x$INTEL" != "xno"; then
+ AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
+ fi
+ else
+ AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
+ INTEL=no
+ fi
+ if test "x$RADEON" != "xauto"; then
+ if test "x$RADEON" != "xno"; then
+ AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
+ fi
+ else
+ AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
+ RADEON=no
+ fi
+ if test "x$NOUVEAU" != "xauto"; then
+ if test "x$NOUVEAU" != "xno"; then
+ AC_MSG_ERROR([libdrm_nouveau depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for NVIDIA GPUs by passing --disable-nouveau to ./configure])
+ fi
+ else
+ AC_MSG_WARN([Disabling libdrm_nouveau. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
+ NOUVEAU=no
+ fi
+ else
+ if test "x$INTEL" != "xno"; then
+ case $host_cpu in
+ i?86|x86_64) INTEL=yes ;;
+ *) INTEL=no ;;
+ esac
+ fi
+ if test "x$RADEON" != "xno"; then
+ RADEON=yes
+ fi
+ if test "x$NOUVEAU" != "xno"; then
+ NOUVEAU=yes
+ fi
+ fi
+fi
+
+if test "x$VIGS" != "xno"; then
+ AC_DEFINE(HAVE_VIGS, 1, [Have VIGS])
+fi
+
+if test "x$INTEL" != "xno"; then
+ PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
+fi
+AC_SUBST(PCIACCESS_CFLAGS)
+AC_SUBST(PCIACCESS_LIBS)
+
+PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
+if test "x$have_valgrind" = "xyes"; then
+ AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
+fi
+
+AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
+AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
+AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" != "xno"])
+if test "x$RADEON" = xyes; then
+ AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
+fi
+AM_CONDITIONAL(HAVE_VIGS, [test "x$VIGS" != "xno"])
+
+AC_ARG_WITH([kernel-source],
+ [AS_HELP_STRING([--with-kernel-source],
+ [specify path to linux kernel source])],
+ [kernel_source="$with_kernel_source"])
+AC_SUBST(kernel_source)
+
+dnl Add flags for gcc and g++
+if test "x$GCC" = xyes; then
+ # Enable -fvisibility=hidden if using a gcc that supports it
+ save_CFLAGS="$CFLAGS"
+ AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
+ VISIBILITY_CFLAGS="-fvisibility=hidden"
+ CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
+ [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
+
+ # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
+ CFLAGS=$save_CFLAGS
+
+ if test "x$VISIBILITY_CFLAGS" != x; then
+ AC_DEFINE(HAVE_VISIBILITY, 1, [Compiler has -fvisibility support])
+ fi
+
+ AC_SUBST([VISIBILITY_CFLAGS])
+fi
+