configure.ac: Reduce zlib requirement from 1.2.8 to 1.2.3.

[mesa.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b57be07e24ac7ce997ff1a8d3a0c5f7f5d35fc2e..6c67d27084cd5a3bffee5dc66ae15a0ab136fe1b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -97,7 +97,7 @@ XSHMFENCE_REQUIRED=1.1
 XVMC_REQUIRED=1.0.6
 PYTHON_MAKO_REQUIRED=0.8.0
 LIBSENSORS_REQUIRED=4.0.0
-ZLIB_REQUIRED=1.2.8
+ZLIB_REQUIRED=1.2.3
 
 dnl LLVM versions
 LLVM_REQUIRED_GALLIUM=3.3.0
@@ -1066,16 +1066,12 @@ AC_SUBST([LLVM_INCLUDEDIR])
 dnl
 dnl libunwind
 dnl
+PKG_CHECK_EXISTS(libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
 AC_ARG_ENABLE([libunwind],
     [AS_HELP_STRING([--enable-libunwind],
             [Use libunwind for backtracing (default: auto)])],
         [LIBUNWIND="$enableval"],
-        [LIBUNWIND="auto"])
-
-PKG_CHECK_EXISTS(libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
-if test "x$LIBUNWIND" = "xauto"; then
-    LIBUNWIND="$HAVE_LIBUNWIND"
-fi
+        [LIBUNWIND="$HAVE_LIBUNWIND"])
 
 if test "x$LIBUNWIND" = "xyes"; then
     PKG_CHECK_MODULES(LIBUNWIND, libunwind)
@@ -2476,10 +2472,10 @@ if test -n "$with_gallium_drivers"; then
         xswr)
             llvm_require_version $LLVM_REQUIRED_SWR "swr"
 
-            swr_require_cxx_feature_flags "C++14" "__cplusplus >= 201402L" \
-                "-std=c++14" \
-                SWR_CXX14_CXXFLAGS
-            AC_SUBST([SWR_CXX14_CXXFLAGS])
+            swr_require_cxx_feature_flags "C++11" "__cplusplus >= 201103L" \
+                ",-std=c++11" \
+                SWR_CXX11_CXXFLAGS
+            AC_SUBST([SWR_CXX11_CXXFLAGS])
 
             swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
                 ",-mavx,-march=core-avx" \