[135110] trunk/dports/lang

[larryv at macports.org]

Revision: 135110
          https://trac.macports.org/changeset/135110
Author:   larryv at macports.org
Date:     2015-04-15 12:31:57 -0700 (Wed, 15 Apr 2015)
Log Message:
-----------
gcc48, gcc49: Work around build failure with recent Clang (#47410)

Recent versions of Clang emit inconsistent DWARF CIE version
information, causing comparison failures during GCC bootstrap.
I verified that the following compilers are problematic:

- Apple LLVM 6.1.0 (clang-602.0.49 from Xcode 6.3)
- clang-3.7 @3.7-r234122
- clang-3.6 @3.6.0_0
- clang-3.5 @3.5.1_3

Revision Links:
--------------
    https://trac.macports.org/changeset/234122

Modified Paths:
--------------
    trunk/dports/lang/gcc48/Portfile
    trunk/dports/lang/gcc49/Portfile

Modified: trunk/dports/lang/gcc48/Portfile
===================================================================
--- trunk/dports/lang/gcc48/Portfile	2015-04-15 19:31:49 UTC (rev 135109)
+++ trunk/dports/lang/gcc48/Portfile	2015-04-15 19:31:57 UTC (rev 135110)
@@ -112,6 +112,21 @@
 # http://trac.macports.org/ticket/29104
 compiler.blacklist-append {llvm-gcc-4.2 < 2336.1}
 
+# Recent versions of Clang emit inconsistent DWARF CIE version
+# information, causing bootstrap comparison failures (#47410). The
+# offending compilers are:
+#   - Apple LLVM 6.1.0 (clang-602.0.49)
+#   - clang-3.7 @3.7-r234122
+#   - clang-3.6 @3.6.0_0
+#   - clang-3.5 @3.5.1_3
+pre-configure {
+    if {(${configure.compiler} eq "clang"
+                && [compiler_blacklist_versions._version_matches clang >= 602.0.49])
+            || [string match {macports-clang-3.[567]} ${configure.compiler}]} {
+        configure.args-append --with-build-config=bootstrap-debug
+    }
+}
+
 # "-stdlib" would be passed on to the bootstrap compiler if present
 configure.cxx_stdlib
 

Modified: trunk/dports/lang/gcc49/Portfile
===================================================================
--- trunk/dports/lang/gcc49/Portfile	2015-04-15 19:31:49 UTC (rev 135109)
+++ trunk/dports/lang/gcc49/Portfile	2015-04-15 19:31:57 UTC (rev 135110)
@@ -119,6 +119,21 @@
 # http://trac.macports.org/ticket/29104
 compiler.blacklist-append {llvm-gcc-4.2 < 2336.1}
 
+# Recent versions of Clang emit inconsistent DWARF CIE version
+# information, causing bootstrap comparison failures (#47410). The
+# offending compilers are:
+#   - Apple LLVM 6.1.0 (clang-602.0.49)
+#   - clang-3.7 @3.7-r234122
+#   - clang-3.6 @3.6.0_0
+#   - clang-3.5 @3.5.1_3
+pre-configure {
+    if {(${configure.compiler} eq "clang"
+                && [compiler_blacklist_versions._version_matches clang >= 602.0.49])
+            || [string match {macports-clang-3.[567]} ${configure.compiler}]} {
+        configure.args-append --with-build-config=bootstrap-debug
+    }
+}
+
 # "-stdlib" would be passed on to the bootstrap compiler if present
 configure.cxx_stdlib
 
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