[pkgsrc/trunk]: pkgsrc/mk/compiler override the GNU configure test for __attr...

[grant <grant%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/4e4b8fc72b2d
branches:  trunk
changeset: 489089:4e4b8fc72b2d
user:      grant <grant%pkgsrc.org@localhost>
date:      Wed Feb 16 10:48:40 2005 +0000

description:
override the GNU configure test for __attribute__. the test commonly
uses a nested function, which icc does not support.

diffstat:

 mk/compiler/icc.mk |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r 8c12bf0c4959 -r 4e4b8fc72b2d mk/compiler/icc.mk
--- a/mk/compiler/icc.mk        Wed Feb 16 10:41:50 2005 +0000
+++ b/mk/compiler/icc.mk        Wed Feb 16 10:48:40 2005 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: icc.mk,v 1.1 2005/02/15 07:43:43 grant Exp $
+# $NetBSD: icc.mk,v 1.2 2005/02/16 10:48:40 grant Exp $
 
 .if !defined(COMPILER_ICC_MK)
 COMPILER_ICC_MK=       defined
@@ -58,6 +58,15 @@
 PREPEND_PATH+= ${_ICC_DIR}/bin
 .endif
 
+# icc supports __attribute__, but the GNU configure test uses a nested
+# function, which icc does not support. #undef'ing __attribute__ has the
+# unfortunate side-effect of breaking many of the Linux header files, which
+# cannot be compiled properly without __attribute__. The test must be
+# overridden so that __attribute__ is assumed supported by the compiler.
+.if defined(GNU_CONFIGURE)
+CONFIGURE_ENV+=                ac_cv___attribute__=yes
+.endif
+
 # Create compiler driver scripts in ${WRKDIR}.
 .for _var_ in ${_ICC_VARS}
 .  if !target(${_ICC_${_var_}})