Modified: trunk/dports/devel/boost/Portfile (103432 => 103433)

--- trunk/dports/devel/boost/Portfile	2013-02-25 20:38:21 UTC (rev 103432)
+++ trunk/dports/devel/boost/Portfile	2013-02-25 21:42:58 UTC (rev 103433)
@@ -46,6 +46,11 @@
     # (http://en.gentoo-wiki.com/wiki/Safe_Cflags/Intel#Intel_Core_Solo.2FDuo.2C_Pentium_Dual-Core_T20xx.2FT21xx)
     # to fix broken 32-bit builds as per (https://trac.macports.org/ticket/35172).
     reinplace "s|-march=i386|-march=prescott|g" ${worksrcpath}/tools/build/v2/tools/gcc.jam
+    # If Apple's clang is used on 32-bit systems, it seems to silently ignore the '-march=i386' flag.
+    # (https://trac.macports.org/ticket/38157)
+    if {[lsearch ${build_arch} i386] != -1} {
+        compiler.blacklist clang
+    }
 }
 
 proc write_jam s {