Ticket #54996: Portfile.diff

Portfile

@@ -145 +145 @@
     0001-Set-the-Mach-O-CPU-Subtype-to-ppc7400-when-targeting.patch \
     0002-Define-EXC_MASK_CRASH-and-MACH_EXCEPTION_CODES-if-th.patch \
     0003-MacPorts-Only-Don-t-embed-the-deployment-target-in-t.patch \
-    0004-Fix-build-issues-pre-Lion-due-to-missing-a-strnlen-d.patch
+    0004-Fix-build-issues-pre-Lion-due-to-missing-a-strnlen-d.patch \
+    0005-Dont-build-LibFuzzer-pre-Lion-due-to-missing-__threa.patch
 
 if {${subport} eq "clang-${llvm_version}"} {
     patchfiles-append \
@@ -234 +235 @@
     -DFFI_INCLUDE_DIR=`pkg-config --cflags-only-I libffi | sed 's/-I//'` \
     -DFFI_LIBRARY_DIR=${prefix}/lib
 
+if {${os.major} <= 10} {
+    # See https://trac.macports.org/ticket/54996
+    configure.args-append \
+        -DLLVM_USE_SANITIZE_COVERAGE=OFF
+}
+
 if {${subport} eq "llvm-${llvm_version}"} {
     select.group        llvm
     select.file         ${filespath}/mp-${subport}
@@ -481 +488 @@
         set bin_filename [string map "${sub_prefix} ${prefix}" ${bin}]-${suffix}
         set exec_path [string map "${destroot}${sub_prefix} ${sub_prefix}" ${bin}]
 
+        if {[vercmp ${xcodeversion} 4.2] > 0} {
         xinstall -m 755 "${filespath}/llvm-bin" "${bin_filename}"
+        } else {
+            # see https://trac.macports.org/ticket/54985
+            xinstall -m 755 "${filespath}/llvm-bin-compat" "${bin_filename}"
+        }
         reinplace "s:EXEC_PATH:${exec_path}:" "${bin_filename}"
     }