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configure: Fix C++ compiler test so it doesn't print random junk.

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Richard W.M. Jones
2012-10-12 20:44:56 +01:00
parent e6e999eac2
commit 467fb589b9
1 changed files with 4 additions and 1 deletions
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5
configure.ac
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@@ -760,7 +760,10 @@ AC_PROG_CXX
dnl The C++ compiler test is pretty useless because even if it fails
dnl it sets CXX=g++. So test the compiler actually works.
AM_CONDITIONAL([HAVE_CXX], [$CXX --version])
AC_MSG_CHECKING([if the C++ compiler really really works])
AS_IF([$CXX --version >&AS_MESSAGE_LOG_FD 2>&1],[have_cxx=yes],[have_cxx=no])
AC_MSG_RESULT([$have_cxx])
AM_CONDITIONAL([HAVE_CXX], [test "$have_cxx" = "yes"])
dnl If valgrind is present (it's not required), check whether or not
dnl it supports the new 'valgrind --vgdb' option.