configure.ac: Don't search llvm-config if it's known
This way LLVM_CONFIG can bet set from an env variable if it's outside
the $llvm_prefix.
This is not a must, but it helps testing.
Signed-off-by: Tobias Droste <tdroste@gmx.de>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
diff --git a/configure.ac b/configure.ac
index f62bc61..fbe6fda 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2166,10 +2166,12 @@
esac
fi
if test "x$enable_gallium_llvm" = xyes || test "x$HAVE_RADEON_VULKAN" = xyes; then
- if test -n "$llvm_prefix"; then
- AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
- else
- AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
+ if test -z "$LLVM_CONFIG"; then
+ if test -n "$llvm_prefix"; then
+ AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
+ else
+ AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
+ fi
fi
if test "x$LLVM_CONFIG" != xno; then