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List: kde-commits
Subject: icecream
From: Luboš Luňák <l.lunak () kde ! org>
Date: 2012-07-08 15:27:10
Message-ID: 20120708152710.AD413AC7A9 () svn ! kde ! org
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SVN commit 1304631 by lunakl:
try to guess default for ICECC_REWRITE_INCLUDES
based on clang present at icecream build time, which is simple and
should generally work fine
M +11 -2 client/local.cpp
M +20 -0 configure.in
--- trunk/icecream/client/local.cpp #1304630:1304631
@@ -132,8 +132,17 @@
*/
bool compiler_only_rewrite_includes( const CompileJob& job )
{
- if ( compiler_is_clang( job ))
- return getenv( "ICECC_REWRITE_INCLUDES" ) != NULL;
+ if ( compiler_is_clang( job )) {
+ if( const char* rewrite_includes = getenv( "ICECC_REWRITE_INCLUDES" ))
+ return *rewrite_includes != '\0' && *rewrite_includes != '0';
+#ifdef HAVE_CLANG_REWRITE_INCLUDES
+ // Assume that we use the same clang (as least as far as capabilities go)
+ // as was available when icecream was built. ICECC_REWRITE_INCLUDES above
+ // allows override, and the only case when this should realistically break
+ // is if somebody downgrades their clang.
+ return true;
+#endif
+ }
return false;
}
--- trunk/icecream/configure.in #1304630:1304631
@@ -222,6 +222,26 @@
esac
AC_SUBST(LIB_KINFO)
+AC_CHECK_PROG(CLANG,clang,clang)
+if test -n "$CLANG"; then
+ AC_MSG_CHECKING([whether clang -Werror works for unknown options])
+ $CLANG -Werror -totallybogusoption -E - >/dev/null 2>/dev/null
+ if test $? -eq 0; then
+ AC_MSG_RESULT(no)
+ # can't detect if the option is supported, but that's too old clang anyway
+ else
+ AC_MSG_RESULT(yes)
+ AC_MSG_CHECKING([for clang -E -Wp,-rewrite-includes])
+ $CLANG -Werror -E -Wp,-rewrite-includes - >/dev/null 2>/dev/null
+ if test $? -eq 0; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_CLANG_REWRITE_INCLUDES, 1, [Define to 1 if clang supports \
-Wp,-rewrite-includes]) + else
+ AC_MSG_RESULT(no)
+ fi
+ fi
+fi
+
AC_CONFIG_FILES([ Makefile ])
AC_CONFIG_FILES([ client/Makefile ])
AC_CONFIG_FILES([ daemon/Makefile ])
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