configure.ac: Only define HAVE_LLVM if LLVM is used

Make sure that HAVE_LLVM compiler define is only set if LLVM is
actually used.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99010
Cc: "17.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Tobias Droste <tdroste@gmx.de>
v2 [Emil] fold within the existing conditional
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Tobias Droste 2017-02-07 19:53:32 +00:00 committed by Emil Velikov
parent 04377cbdcf
commit 143c566a81

View file

@ -959,7 +959,6 @@ llvm_set_environment_variables() {
LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}"
fi
DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
FOUND_LLVM=yes
else
FOUND_LLVM=no
@ -2395,14 +2394,18 @@ if test "x$HAVE_GALLIUM_ETNAVIV" != xyes -a "x$HAVE_GALLIUM_IMX" == xyes ; then
AC_ERROR([Building with imx requires etnaviv])
fi
dnl Set LLVM_LIBS - This is done after the driver configuration so
dnl that drivers can add additional components to LLVM_COMPONENTS.
dnl Previously, gallium drivers were updating LLVM_LIBS directly
dnl by calling llvm-config --libs ${DRIVER_LLVM_COMPONENTS}, but
dnl this was causing the same libraries to be appear multiple times
dnl in LLVM_LIBS.
dnl
dnl Set defines and buildtime variables only when using LLVM.
dnl
if test "x$enable_gallium_llvm" = xyes; then
DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
dnl Set LLVM_LIBS - This is done after the driver configuration so
dnl that drivers can add additional components to LLVM_COMPONENTS.
dnl Previously, gallium drivers were updating LLVM_LIBS directly
dnl by calling llvm-config --libs ${DRIVER_LLVM_COMPONENTS}, but
dnl this was causing the same libraries to be appear multiple times
dnl in LLVM_LIBS.
if ! $LLVM_CONFIG --libs ${LLVM_COMPONENTS} >/dev/null; then
AC_MSG_ERROR([Calling ${LLVM_CONFIG} failed])