diff options
| author | Jon TURNEY <jon.turney@dronecode.org.uk> | 2015-09-04 14:00:19 +0100 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2015-09-10 15:09:30 +0100 |
| commit | adeba943e1d89cba824c054bac6a1b64e415921e (patch) | |
| tree | 92ecefc51f92b4c4ffbf34f6e9e5cd93e3c2f868 /configure.ac | |
| parent | 2c3007652d5177fe6d018de67be8209a1c3f1b83 (diff) | |
Use IMP_LIB_EXT when checking for LLVM shared libraries
When checking for LLVM shared libraries, use IMP_LIB_EXT for the extension for
shared libraries appropriate to the target, rather than hardcoding '.so'
Also add some comments to explain why we have this circus of pain.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac index 0fed26e1a0..1db5b2883b 100644 --- a/configure.ac +++ b/configure.ac @@ -533,15 +533,32 @@ AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes) dnl dnl library names dnl +dnl Unfortunately we need to do a few things that libtool can't help us with, +dnl so we need some knowledge of shared library filenames: +dnl +dnl LIB_EXT is the extension used when creating symlinks for alternate +dnl filenames for a shared library which will be dynamically loaded +dnl +dnl IMP_LIB_EXT is the extension used when checking for the presence of a +dnl the file for a shared library we wish to link with +dnl case "$host_os" in darwin* ) - LIB_EXT='dylib' ;; + LIB_EXT='dylib' + IMP_LIB_EXT=$LIB_EXT + ;; cygwin* ) - LIB_EXT='dll' ;; + LIB_EXT='dll' + IMP_LIB_EXT='dll.a' + ;; aix* ) - LIB_EXT='a' ;; + LIB_EXT='a' + IMP_LIB_EXT=$LIB_EXT + ;; * ) - LIB_EXT='so' ;; + LIB_EXT='so' + IMP_LIB_EXT=$LIB_EXT + ;; esac AC_SUBST([LIB_EXT]) @@ -2168,10 +2185,14 @@ if test "x$MESA_LLVM" != x0; then 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.so"], [llvm_have_one_so=yes]) + 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. @@ -2179,7 +2200,7 @@ if test "x$MESA_LLVM" != x0; then else dnl If LLVM was built with CMake, there will be one shared object per dnl component. - AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.so"], + 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 |