diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/configure.ac b/configure.ac index f131788e3a5..3fe47c7bbc7 100644 --- a/configure.ac +++ b/configure.ac @@ -2623,35 +2623,37 @@ if test "x$enable_llvm" = xyes; then fi LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`" - dnl llvm-config may not give the right answer when llvm is a built as a - dnl single shared library, so we must work the library name out for - dnl ourselves. - dnl (See https://llvm.org/bugs/show_bug.cgi?id=6823) if test "x$enable_llvm_shared_libs" = xyes; then - 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. + if test $LLVM_VERSION_MAJOR -lt 4; 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 fi else AC_MSG_WARN([Building mesa with statically linked LLVM may cause compilation issues]) |