Fix Clang version check

Desktop / LibreOffice - Stephan Bergmann [redhat.com] - 19 November 2015 01:59 UTC

"clang -E -P /dev/stdin" causes warnings "clang: warning: /dev/stdin: 'linker' input unused" etc.

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diff --git a/configure.ac b/configure.ac
index b8b6dc9..69d5e83 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3826,7 +3826,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
if test "$COM_IS_CLANG" = TRUE; then
AC_MSG_CHECKING([the Clang version])
clang_version=`echo __clang_major__.__clang_minor__.__clang_patchlevel__ | $CC -E -P /dev/stdin`
- CLANG_FULL_VERSION=`echo __clang_version__ | $CC -E -P /dev/stdin`
+ CLANG_FULL_VERSION=`echo __clang_version__ | $CC -E -P -`
CLANGVER=`echo $clang_version | $AWK -F. '{ print \$1*10000+\$2*100+\$3 }'`
AC_MSG_RESULT([Clang $CLANG_FULL_VERSION, $CLANGVER])
AC_DEFINE_UNQUOTED(CLANG_FULL_VERSION,$CLANG_FULL_VERSION)

e6d21d0 Fix Clang version check
configure.ac | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Upstream: cgit.freedesktop.org

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