- if ! $LLVM_CONFIG --libs ${LLVM_COMPONENTS} >/dev/null; then
- AC_MSG_ERROR([Calling ${LLVM_CONFIG} failed])
- fi
- LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
-
- if test "x$enable_llvm_shared_libs" = xyes; then
- if test $LLVM_VERSION_MAJOR -lt 4 -o "`$LLVM_CONFIG --shared-mode ${LLVM_COMPONENTS}`" = static; then
- dnl llvm-config may not give the right answer when llvm is a built as a
- dnl single shared library, so we must work the library name out for
- dnl ourselves.
- dnl (See https://llvm.org/bugs/show_bug.cgi?id=6823)
- dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
- LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
- AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"], [llvm_have_one_so=yes])
-
- if test "x$llvm_have_one_so" = xyes; then
- dnl LLVM was built using auto*, so there is only one shared object.
- LLVM_LIBS="-l$LLVM_SO_NAME"
- else
- dnl If LLVM was built with CMake, there will be one shared object per
- dnl component.
- AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.$IMP_LIB_EXT"],
- [AC_MSG_ERROR([Could not find llvm shared libraries:
- Please make sure you have built llvm with the --enable-shared option
- and that your llvm libraries are installed in $LLVM_LIBDIR
- If you have installed your llvm libraries to a different directory you
- can use the --with-llvm-prefix= configure flag to specify this directory.
- NOTE: Mesa is attempting to use llvm shared libraries by default.
- If you do not want to build with llvm shared libraries and instead want to
- use llvm static libraries then add --disable-llvm-shared-libs to your configure
- invocation and rebuild.])])
-
- dnl We don't need to update LLVM_LIBS in this case because the LLVM
- dnl install uses a shared object for each component and we have
- dnl already added all of these objects to LLVM_LIBS.
- fi
+ if test $LLVM_VERSION_MAJOR -ge 4 -o $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 9; then
+ if test "x$enable_llvm_shared_libs" = xyes; then
+ LLVM_LIBS="`$LLVM_CONFIG --link-shared --libs ${LLVM_COMPONENTS}`"
+ else
+ dnl Invoking llvm-config with both -libs and --system-libs produces the
+ dnl two separate lines - each for the set of libraries.
+ dnl Call the program twice, effectively folding them into a single line.
+ LLVM_LIBS="`$LLVM_CONFIG --link-static --libs ${LLVM_COMPONENTS}`"
+ dnl We need to link to llvm system libs when using static libs
+ LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --link-static --system-libs`"
projects / mesa.git / blobdiff