Avoid overflow in 'last' variable of FindGLXFunction(...)

[mesa.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3d32c53e2fe61fc60dc2489b7a58cb512fc7a124..6ea1f2c6a2f2703356dae6292aa477d81f370ff1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -254,15 +254,12 @@ case "$host_os" in
 *-android)
     android=yes
     ;;
-linux*|*-gnu*|gnu*)
+linux*|*-gnu*|gnu*|cygwin*)
     DEFINES="$DEFINES -D_GNU_SOURCE"
     ;;
 solaris*)
     DEFINES="$DEFINES -DSVR4"
     ;;
-cygwin*)
-    DEFINES="$DEFINES -D_XOPEN_SOURCE=700"
-    ;;
 esac
 
 AM_CONDITIONAL(HAVE_ANDROID, test "x$android" = xyes)
@@ -825,9 +822,21 @@ dnl to -pthread, which causes problems if we need -lpthread to appear in
 dnl pkgconfig files.
 test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
 
-PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
-AC_SUBST(PTHREADSTUBS_CFLAGS)
-AC_SUBST(PTHREADSTUBS_LIBS)
+dnl pthread-stubs is mandatory on targets where it exists
+case "$host_os" in
+cygwin* )
+    pthread_stubs_possible="no"
+    ;;
+* )
+    pthread_stubs_possible="yes"
+    ;;
+esac
+
+if test "x$pthread_stubs_possible" = xyes; then
+    PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
+    AC_SUBST(PTHREADSTUBS_CFLAGS)
+    AC_SUBST(PTHREADSTUBS_LIBS)
+fi
 
 dnl SELinux awareness.
 AC_ARG_ENABLE([selinux],
@@ -1060,6 +1069,7 @@ xno)
     ;;
 esac
 
+AM_CONDITIONAL(HAVE_GLX, test "x$enable_glx" != xno)
 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xdri)
 AM_CONDITIONAL(HAVE_XLIB_GLX, test "x$enable_glx" = xxlib)
 AM_CONDITIONAL(HAVE_GALLIUM_XLIB_GLX, test "x$enable_glx" = xgallium-xlib)
@@ -1638,9 +1648,9 @@ esac
 
 AC_ARG_WITH([vulkan-icddir],
     [AS_HELP_STRING([--with-vulkan-icddir=DIR],
-        [directory for the Vulkan driver icd files @<:@${sysconfdir}/vulkan/icd.d@:>@])],
+        [directory for the Vulkan driver icd files @<:@${datarootdir}/vulkan/icd.d@:>@])],
     [VULKAN_ICD_INSTALL_DIR="$withval"],
-    [VULKAN_ICD_INSTALL_DIR='${sysconfdir}/vulkan/icd.d'])
+    [VULKAN_ICD_INSTALL_DIR='${datarootdir}/vulkan/icd.d'])
 AC_SUBST([VULKAN_ICD_INSTALL_DIR])
 
 if test -n "$with_vulkan_drivers"; then
@@ -2182,7 +2192,7 @@ if test "x$enable_gallium_llvm" = xyes; then
         LLVM_COMPONENTS="engine bitwriter mcjit mcdisassembler"
 
         if test "x$enable_opencl" = xyes; then
-            llvm_check_version_for "3" "5" "0" "opencl"
+            llvm_check_version_for "3" "6" "0" "opencl"
 
             LLVM_COMPONENTS="${LLVM_COMPONENTS} all-targets ipo linker instrumentation"
             LLVM_COMPONENTS="${LLVM_COMPONENTS} irreader option objcarcopts profiledata"