On 12.04.2016 12:58, Kenneth Graunke wrote:
Arch Linux ships libLLVM.so.3.7.1 rather than libLLVM-3.7.1.so;
Mesa's configure script failed to find LLVM shared libraries in this
case. I believe they build LLVM with CMake, but there is still only
one .so file.
Signed-off-by: Kenneth Graunke <[email protected]>
---
configure.ac | 6 ++++++
1 file changed, 6 insertions(+)
This is mostly a strawman. llvmpipe hasn't built on my system for
quite some time, and I finally got around to figuring out why. I don't
know much about LLVM build issues (it seems complicated), so feel free
to throw this patch out and do it properly...
I'm not that big on build system twiddling, so feel free to ignore me,
but... why aren't we using $LLVM_CONFIG --libs here?
Nicolai
diff --git a/configure.ac b/configure.ac
index c426c72..bc9530e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2334,6 +2334,12 @@ if test "x$MESA_LLVM" != x0; then
LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"],
[llvm_have_one_so=yes])
+ dnl Some systems use libLLVM.so.version instead of libLLVM-version.so.
+ if test "x$llvm_have_one_so" != xyes; then
+ LLVM_SO_NAME=LLVM
+ AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"],
[llvm_have_one_so=yes])
+ fi
+
if test "x$llvm_have_one_so" = xyes; then
dnl LLVM was built using auto*, so there is only one shared
object.
LLVM_LIBS="-l$LLVM_SO_NAME"
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