radv: Handle VK_ATTACHMENT_UNUSED in CmdClearAttachment
[mesa.git] / configure.ac
index e7e057c8f56f8a8c71dd75d47b20c30db032cf41..858da79f4d0abdc6eda87a0e1adc642b33d2cea7 100644 (file)
@@ -52,6 +52,19 @@ mingw*)
     ;;
 esac
 
+AC_ARG_ENABLE(autotools,
+   [AS_HELP_STRING([--enable-autotools],
+                   [Enable the use of this autotools based build configuration])],
+   [enable_autotools=$enableval], [enable_autotools=no])
+
+if test "x$enable_autotools" != "xyes" ; then
+    AC_MSG_ERROR([the autotools build system has been deprecated in favour of
+    meson and will be removed eventually. For instructions on how to use meson
+    see https://www.mesa3d.org/meson.html.
+    If you still want to use the autotools build, then add --enable-autotools
+    to the configure command line.])
+fi
+
 # Support silent build rules, requires at least automake-1.11. Disable
 # by either passing --disable-silent-rules to configure or passing V=1
 # to make
@@ -74,11 +87,10 @@ AC_SUBST([OPENCL_VERSION])
 # in the first entry.
 LIBDRM_REQUIRED=2.4.75
 LIBDRM_RADEON_REQUIRED=2.4.71
-LIBDRM_AMDGPU_REQUIRED=2.4.93
+LIBDRM_AMDGPU_REQUIRED=2.4.97
 LIBDRM_INTEL_REQUIRED=2.4.75
 LIBDRM_NVVIEUX_REQUIRED=2.4.66
 LIBDRM_NOUVEAU_REQUIRED=2.4.66
-LIBDRM_FREEDRENO_REQUIRED=2.4.92
 LIBDRM_ETNAVIV_REQUIRED=2.4.89
 LIBDRM_VC4_REQUIRED=2.4.89
 
@@ -108,9 +120,9 @@ dnl LLVM versions
 LLVM_REQUIRED_GALLIUM=3.3.0
 LLVM_REQUIRED_OPENCL=3.9.0
 LLVM_REQUIRED_R600=3.9.0
-LLVM_REQUIRED_RADEONSI=5.0.0
-LLVM_REQUIRED_RADV=5.0.0
-LLVM_REQUIRED_SWR=5.0.0
+LLVM_REQUIRED_RADEONSI=7.0.0
+LLVM_REQUIRED_RADV=7.0.0
+LLVM_REQUIRED_SWR=6.0.0
 
 dnl Check for progs
 AC_PROG_CPP
@@ -125,7 +137,8 @@ AC_PROG_GREP
 AC_PROG_NM
 AM_PROG_AS
 AX_CHECK_GNU_MAKE
-AC_CHECK_PROGS([PYTHON2], [python2.7 python2 python])
+AM_PATH_PYTHON([2.7],, [AM_PATH_PYTHON([3.4],, [:])])
+
 AC_PROG_SED
 AC_PROG_MKDIR_P
 
@@ -157,7 +170,7 @@ fi
 
 AX_CHECK_PYTHON_MAKO_MODULE($PYTHON_MAKO_REQUIRED)
 
-if test -z "$PYTHON2"; then
+if test "$PYTHON" = ":"; then
     if test ! -f "$srcdir/src/util/format_srgb.c"; then
         AC_MSG_ERROR([Python not found - unable to generate sources])
     fi
@@ -295,6 +308,12 @@ esac
 
 AM_CONDITIONAL(HAVE_ANDROID, test "x$android" = xyes)
 
+# Toggle Werror since at some point clang started treating unknown -W
+# flags as warnings, succeeding with the build, yet issuing an annoying
+# warning.
+save_CFLAGS="$CFLAGS"
+export CFLAGS="$CFLAGS -Werror"
+
 dnl
 dnl Check compiler flags
 dnl
@@ -304,11 +323,17 @@ AX_CHECK_COMPILE_FLAG([-Werror=missing-prototypes],            [CFLAGS="$CFLAGS
 AX_CHECK_COMPILE_FLAG([-Wmissing-prototypes],                  [CFLAGS="$CFLAGS -Wmissing-prototypes"])
 dnl Dylan Baker: gcc and clang always accepr -Wno-*, hence check for the original warning, then set the no-* flag
 AX_CHECK_COMPILE_FLAG([-Wmissing-field-initializers],          [CFLAGS="$CFLAGS -Wno-missing-field-initializers"])
+AX_CHECK_COMPILE_FLAG([-Wformat-truncation],                   [CFLAGS="$CFLAGS -Wno-format-truncation"])
 AX_CHECK_COMPILE_FLAG([-fno-math-errno],                       [CFLAGS="$CFLAGS -fno-math-errno"])
 
 AX_CHECK_COMPILE_FLAG([-fno-trapping-math],                    [CFLAGS="$CFLAGS -fno-trapping-math"])
 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],                   [VISIBILITY_CFLAGS="-fvisibility=hidden"])
 
+CFLAGS="$save_CFLAGS"
+
+# Toggle Werror since at some point clang started treating unknown -W
+# flags as warnings, succeeding with the build, yet issuing an annoying
+# warning.
 dnl
 dnl Check C++ compiler flags
 dnl
@@ -318,6 +343,7 @@ AX_CHECK_COMPILE_FLAG([-fno-math-errno],                       [CXXFLAGS="$CXXFL
 AX_CHECK_COMPILE_FLAG([-fno-trapping-math],                    [CXXFLAGS="$CXXFLAGS -fno-trapping-math"])
 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],                   [VISIBILITY_CXXFLAGS="-fvisibility=hidden"])
 AX_CHECK_COMPILE_FLAG([-Wmissing-field-initializers],          [CXXFLAGS="$CXXFLAGS -Wno-missing-field-initializers"])
+AX_CHECK_COMPILE_FLAG([-Wformat-truncation],                   [CXXFLAGS="$CXXFLAGS -Wno-format-truncation"])
 AC_LANG_POP([C++])
 
 # Flags to help ensure that certain portions of the code -- and only those
@@ -965,6 +991,22 @@ if test "x$pthread_stubs_possible" = xyes; then
     PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs >= 0.4)
 fi
 
+save_LIBS="$LIBS"
+LIBS="$PTHREAD_LIBS"
+AC_MSG_CHECKING(whether pthread_setaffinity_np is supported)
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+    #define _GNU_SOURCE
+    #include <pthread.h>
+    int main() {
+       void *a = (void*) &pthread_setaffinity_np;
+       long b = (long) a;
+       return (int) b;
+    }]])],
+  [DEFINES="$DEFINES -DHAVE_PTHREAD_SETAFFINITY"];
+   AC_MSG_RESULT([yes]),
+   AC_MSG_RESULT([no]))
+LIBS="$save_LIBS"
+
 dnl Check for futex for fast inline simple_mtx_t.
 AC_CHECK_HEADER([linux/futex.h], [DEFINES="$DEFINES -DHAVE_LINUX_FUTEX_H"])
 
@@ -1366,7 +1408,7 @@ GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.
-        "i915,nouveau,r300,r600,radeonsi,freedreno,pl111,svga,swrast,swr,tegra,v3d,vc4,virgl,etnaviv,imx"
+        "i915,nouveau,r300,r600,radeonsi,freedreno,kmsro,svga,swrast,swr,tegra,v3d,vc4,virgl,etnaviv"
         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
@@ -1415,6 +1457,7 @@ AM_CONDITIONAL(NEED_OPENGL_COMMON, test "x$enable_opengl" = xyes -o \
                                         "x$enable_gles1" = xyes -o \
                                         "x$enable_gles2" = xyes)
 AM_CONDITIONAL(NEED_KHRPLATFORM, test "x$enable_egl" = xyes -o \
+                                      "x$enable_opengl" = xyes -o \
                                       "x$enable_gles1" = xyes -o \
                                       "x$enable_gles2" = xyes)
 
@@ -1503,15 +1546,15 @@ fi
 AC_ARG_WITH([gl-lib-name],
   [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
     [specify GL library name @<:@default=GL@:>@])],
-  [GL_LIB=$withval],
-  [GL_LIB="$DEFAULT_GL_LIB_NAME"])
+  [AC_MSG_ERROR([--with-gl-lib-name is no longer supported. Rename the library manually if needed.])],
+  [])
 AC_ARG_WITH([osmesa-lib-name],
   [AS_HELP_STRING([--with-osmesa-lib-name@<:@=NAME@:>@],
     [specify OSMesa library name @<:@default=OSMesa@:>@])],
-  [OSMESA_LIB=$withval],
-  [OSMESA_LIB=OSMesa])
-AS_IF([test "x$GL_LIB" = xyes], [GL_LIB="$DEFAULT_GL_LIB_NAME"])
-AS_IF([test "x$OSMESA_LIB" = xyes], [OSMESA_LIB=OSMesa])
+  [AC_MSG_ERROR([--with-osmesa-lib-name is no longer supported. Rename the library manually if needed.])],
+  [])
+GL_LIB="$DEFAULT_GL_LIB_NAME"
+OSMESA_LIB=OSMesa
 
 dnl
 dnl Mangled Mesa support
@@ -1523,6 +1566,9 @@ AC_ARG_ENABLE([mangling],
   [enable_mangling=no]
 )
 if test "x${enable_mangling}" = "xyes" ; then
+  if test "x$enable_libglvnd" = xyes; then
+    AC_MSG_ERROR([Conflicting options --enable-mangling and --enable-libglvnd.])
+  fi
   DEFINES="${DEFINES} -DUSE_MGL_NAMESPACE"
   GL_LIB="Mangled${GL_LIB}"
   OSMESA_LIB="Mangled${OSMESA_LIB}"
@@ -1530,6 +1576,15 @@ fi
 AC_SUBST([GL_LIB])
 AC_SUBST([OSMESA_LIB])
 
+dnl HACK when building glx + glvnd we ship gl.pc, despite that glvnd should do it
+dnl Thus we need to use GL as a DSO name.
+if test "x$enable_libglvnd" = xyes -a "x$enable_glx" != xno; then
+  GL_PKGCONF_LIB="GL"
+else
+  GL_PKGCONF_LIB="$GL_LIB"
+fi
+AC_SUBST([GL_PKGCONF_LIB])
+
 # Check for libdrm
 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
                   [have_libdrm=yes], [have_libdrm=no])
@@ -1658,6 +1713,8 @@ xxlib | xgallium-xlib)
 xdri)
     # DRI-based GLX
 
+    require_dri_shared_libs_and_glapi "GLX"
+
     # find the DRI deps for libGL
     dri_modules="x11 xext xdamage >= $XDAMAGE_REQUIRED xfixes x11-xcb xcb xcb-glx >= $XCBGLX_REQUIRED"
 
@@ -1672,6 +1729,8 @@ xdri)
             if test x"$enable_dri" = xyes; then
                dri_modules="$dri_modules xcb-dri2 >= $XCBDRI2_REQUIRED"
             fi
+
+            dri_modules="$dri_modules xxf86vm"
         fi
         if test x"$dri_platform" = xapple ; then
             DEFINES="$DEFINES -DGLX_USE_APPLEGL"
@@ -1681,12 +1740,6 @@ xdri)
         fi
     fi
 
-    # add xf86vidmode if available
-    PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)
-    if test "$HAVE_XF86VIDMODE" = yes ; then
-        dri_modules="$dri_modules xxf86vm"
-    fi
-
     PKG_CHECK_MODULES([DRIGL], [$dri_modules])
     GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV $dri_modules"
     X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
@@ -1698,10 +1751,6 @@ xdri)
     ;;
 esac
 
-# This is outside the case (above) so that it is invoked even for non-GLX
-# builds.
-AM_CONDITIONAL(HAVE_XF86VIDMODE, test "x$HAVE_XF86VIDMODE" = xyes)
-
 GLESv1_CM_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
 GLESv1_CM_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
 GLESv2_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
@@ -1718,8 +1767,6 @@ AC_SUBST([GLESv1_CM_PC_LIB_PRIV])
 AC_SUBST([GLESv2_LIB_DEPS])
 AC_SUBST([GLESv2_PC_LIB_PRIV])
 
-AC_SUBST([HAVE_XF86VIDMODE])
-
 dnl
 dnl More GLX setup
 dnl
@@ -1810,6 +1857,10 @@ for plat in $platforms; do
         PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
                           WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
                           WAYLAND_SCANNER='')
+        PKG_CHECK_EXISTS([wayland-scanner >= 1.15],
+                          AC_SUBST(SCANNER_ARG, 'private-code'),
+                          AC_SUBST(SCANNER_ARG, 'code'))
+
         if test "x$WAYLAND_SCANNER" = x; then
             AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
         fi
@@ -1826,6 +1877,7 @@ for plat in $platforms; do
         ;;
 
     drm)
+        test "x$enable_egl" = "xyes" &&
         test "x$enable_gbm" = "xno" &&
                 AC_MSG_ERROR([EGL platform drm needs gbm])
         DEFINES="$DEFINES -DHAVE_DRM_PLATFORM"
@@ -2682,7 +2734,6 @@ if test -n "$with_gallium_drivers"; then
             ;;
         xfreedreno)
             HAVE_GALLIUM_FREEDRENO=yes
-            PKG_CHECK_MODULES([FREEDRENO], [libdrm >= $LIBDRM_FREEDRENO_REQUIRED libdrm_freedreno >= $LIBDRM_FREEDRENO_REQUIRED])
             require_libdrm "freedreno"
             ;;
         xetnaviv)
@@ -2690,9 +2741,6 @@ if test -n "$with_gallium_drivers"; then
             PKG_CHECK_MODULES([ETNAVIV], [libdrm >= $LIBDRM_ETNAVIV_REQUIRED libdrm_etnaviv >= $LIBDRM_ETNAVIV_REQUIRED])
             require_libdrm "etnaviv"
             ;;
-       ximx)
-            HAVE_GALLIUM_IMX=yes
-            ;;
         xtegra)
             HAVE_GALLIUM_TEGRA=yes
             require_libdrm "tegra"
@@ -2779,8 +2827,8 @@ if test -n "$with_gallium_drivers"; then
                                DEFINES="$DEFINES -DUSE_V3D_SIMULATOR"],
                               [USE_V3D_SIMULATOR=no])
             ;;
-        xpl111)
-            HAVE_GALLIUM_PL111=yes
+        xkmsro)
+            HAVE_GALLIUM_KMSRO=yes
             ;;
         xvirgl)
             HAVE_GALLIUM_VIRGL=yes
@@ -2797,9 +2845,8 @@ if test -n "$with_gallium_drivers"; then
 fi
 
 # XXX: Keep in sync with LLVM_REQUIRED_SWR
-AM_CONDITIONAL(SWR_INVALID_LLVM_VERSION, test "x$LLVM_VERSION" != x5.0.0 -a \
-                                              "x$LLVM_VERSION" != x5.0.1 -a \
-                                              "x$LLVM_VERSION" != x5.0.2)
+AM_CONDITIONAL(SWR_INVALID_LLVM_VERSION, test "x$LLVM_VERSION" != x6.0.0 -a \
+                                              "x$LLVM_VERSION" != x6.0.1)
 
 if test "x$enable_llvm" = "xyes" -a "$with_gallium_drivers"; then
     llvm_require_version $LLVM_REQUIRED_GALLIUM "gallium"
@@ -2814,12 +2861,8 @@ AM_CONDITIONAL(HAVE_SWR_BUILTIN, test "x$HAVE_SWR_BUILTIN" = xyes)
 
 dnl We need to validate some needed dependencies for renderonly drivers.
 
-if test "x$HAVE_GALLIUM_ETNAVIV" != xyes -a "x$HAVE_GALLIUM_IMX" = xyes  ; then
-    AC_MSG_ERROR([Building with imx requires etnaviv])
-fi
-
-if test "x$HAVE_GALLIUM_VC4" != xyes -a "x$HAVE_GALLIUM_PL111" = xyes  ; then
-    AC_MSG_ERROR([Building with pl111 requires vc4])
+if test "x$HAVE_GALLIUM_VC4" != xyes -a "x$HAVE_GALLIUM_KMSRO" = xyes  ; then
+    AC_MSG_ERROR([Building with kmsro requires vc4])
 fi
 
 if test "x$HAVE_GALLIUM_NOUVEAU" != xyes -a "x$HAVE_GALLIUM_TEGRA" = xyes; then
@@ -2867,6 +2910,7 @@ if test "x$enable_llvm" = xyes; then
     LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
     LLVM_CFLAGS=$LLVM_CPPFLAGS   # CPPFLAGS seem to be sufficient
     LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"`
+    LLVM_CXXFLAGS="$CXX11_CXXFLAGS $LLVM_CXXFLAGS"
 
     dnl Set LLVM_LIBS - This is done after the driver configuration so
     dnl that drivers can add additional components to LLVM_COMPONENTS.
@@ -2901,7 +2945,7 @@ if test "x$enable_llvm" = xyes; then
     fi
 
     dnl The gallium-xlib GLX and gallium OSMesa targets directly embed the
-    dnl swr/llvmpipe driver into the final binary.  Adding LLVM_LIBS results in 
+    dnl swr/llvmpipe driver into the final binary.  Adding LLVM_LIBS results in
     dnl the LLVM library propagated in the Libs.private of the respective .pc
     dnl file which ensures complete dependency information when statically
     dnl linking.
@@ -2915,14 +2959,13 @@ fi
 
 AM_CONDITIONAL(HAVE_GALLIUM_SVGA, test "x$HAVE_GALLIUM_SVGA" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_I915, test "x$HAVE_GALLIUM_I915" = xyes)
-AM_CONDITIONAL(HAVE_GALLIUM_PL111, test "x$HAVE_GALLIUM_PL111" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_KMSRO, test "x$HAVE_GALLIUM_KMSRO" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_R300, test "x$HAVE_GALLIUM_R300" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_R600, test "x$HAVE_GALLIUM_R600" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_RADEONSI, test "x$HAVE_GALLIUM_RADEONSI" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_NOUVEAU, test "x$HAVE_GALLIUM_NOUVEAU" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_FREEDRENO, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_ETNAVIV, test "x$HAVE_GALLIUM_ETNAVIV" = xyes)
-AM_CONDITIONAL(HAVE_GALLIUM_IMX, test "x$HAVE_GALLIUM_IMX" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_TEGRA, test "x$HAVE_GALLIUM_TEGRA" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_SOFTPIPE, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_LLVMPIPE, test "x$HAVE_GALLIUM_LLVMPIPE" = xyes)
@@ -2961,6 +3004,7 @@ AM_CONDITIONAL(HAVE_AMD_DRIVERS, test "x$HAVE_GALLIUM_RADEONSI" = xyes -o \
 AM_CONDITIONAL(HAVE_BROADCOM_DRIVERS, test "x$HAVE_GALLIUM_VC4" = xyes -o \
                                       "x$HAVE_GALLIUM_V3D" = xyes)
 
+AM_CONDITIONAL(HAVE_FREEDRENO_DRIVERS, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
 AM_CONDITIONAL(HAVE_INTEL_DRIVERS, test "x$HAVE_INTEL_VULKAN" = xyes -o \
                                         "x$HAVE_I965_DRI" = xyes)
 
@@ -3007,7 +3051,7 @@ AC_SUBST([XVMC_MAJOR], 1)
 AC_SUBST([XVMC_MINOR], 0)
 
 AC_SUBST([XA_MAJOR], 2)
-AC_SUBST([XA_MINOR], 4)
+AC_SUBST([XA_MINOR], 5)
 AC_SUBST([XA_PATCH], 0)
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_PATCH")
 
@@ -3053,6 +3097,7 @@ AC_CONFIG_FILES([Makefile
                  src/amd/vulkan/Makefile
                  src/broadcom/Makefile
                  src/compiler/Makefile
+                 src/freedreno/Makefile
                  src/egl/Makefile
                  src/egl/main/egl.pc
                  src/egl/wayland/wayland-drm/Makefile
@@ -3063,7 +3108,7 @@ AC_CONFIG_FILES([Makefile
                  src/gallium/drivers/i915/Makefile
                  src/gallium/drivers/llvmpipe/Makefile
                  src/gallium/drivers/nouveau/Makefile
-                 src/gallium/drivers/pl111/Makefile
+                 src/gallium/drivers/kmsro/Makefile
                  src/gallium/drivers/r300/Makefile
                  src/gallium/drivers/r600/Makefile
                  src/gallium/drivers/radeonsi/Makefile
@@ -3072,7 +3117,6 @@ AC_CONFIG_FILES([Makefile
                  src/gallium/drivers/swr/Makefile
                  src/gallium/drivers/tegra/Makefile
                  src/gallium/drivers/etnaviv/Makefile
-                 src/gallium/drivers/imx/Makefile
                  src/gallium/drivers/v3d/Makefile
                  src/gallium/drivers/vc4/Makefile
                  src/gallium/drivers/virgl/Makefile
@@ -3107,11 +3151,10 @@ AC_CONFIG_FILES([Makefile
                  src/gallium/tests/trivial/Makefile
                  src/gallium/tests/unit/Makefile
                  src/gallium/winsys/etnaviv/drm/Makefile
-                 src/gallium/winsys/imx/drm/Makefile
                  src/gallium/winsys/freedreno/drm/Makefile
                  src/gallium/winsys/i915/drm/Makefile
                  src/gallium/winsys/nouveau/drm/Makefile
-                 src/gallium/winsys/pl111/drm/Makefile
+                 src/gallium/winsys/kmsro/drm/Makefile
                  src/gallium/winsys/radeon/drm/Makefile
                  src/gallium/winsys/amdgpu/drm/Makefile
                  src/gallium/winsys/svga/drm/Makefile
@@ -3156,6 +3199,7 @@ AC_CONFIG_FILES([Makefile
                  src/mesa/main/tests/Makefile
                  src/mesa/state_tracker/tests/Makefile
                  src/util/Makefile
+                 src/util/tests/fast_idiv_by_const/Makefile
                  src/util/tests/hash_table/Makefile
                  src/util/tests/set/Makefile
                  src/util/tests/string_buffer/Makefile
@@ -3327,7 +3371,7 @@ if test "x$enable_llvm" = xyes; then
     echo "        LLVM_LDFLAGS:    $LLVM_LDFLAGS"
     echo ""
 fi
-echo "        PYTHON2:         $PYTHON2"
+echo "        PYTHON:         $PYTHON"
 
 echo ""
 echo "        Run '${MAKE-make}' to build Mesa"