diff options
Diffstat (limited to 'lib/erl_interface/configure.in')
| -rw-r--r-- | lib/erl_interface/configure.in | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/erl_interface/configure.in b/lib/erl_interface/configure.in index c958f80065..d511f2e240 100644 --- a/lib/erl_interface/configure.in +++ b/lib/erl_interface/configure.in @@ -1,7 +1,7 @@ # -*- Autoconf -*- # %CopyrightBegin% # -# Copyright Ericsson AB 2000-2011. All Rights Reserved. +# Copyright Ericsson AB 2000-2012. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -79,7 +79,7 @@ AC_ARG_ENABLE(threads, no) threads_disabled=yes ;; *) threads_disabled=no ;; esac ], -[ threads_disabled=no ]) +[ threads_disabled=maybe ]) dnl ---------------------------------------------------------------------- dnl Checks for programs @@ -237,12 +237,16 @@ AC_SUBST(THR_DEFS) AC_SUBST(EI_THREADS) case "$threads_disabled" in - no) + no|maybe) LM_CHECK_THR_LIB case "$THR_LIB_NAME" in "") EI_THREADS="false" + # Fail if --enable-threads given and no threads found + if test "x$threads_disabled" = "xno"; then + AC_MSG_ERROR(No threads support found) + fi ;; win32_threads) EI_THREADS="true" @@ -269,6 +273,8 @@ esac AC_SUBST(WFLAGS) if test "x$GCC" = xyes; then + # Treat certain GCC warnings as errors + LM_TRY_ENABLE_CFLAG([-Werror=return-type], [WERRORFLAGS]) WFLAGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline" # check which GCC version GCC_VERSION=`$CC -v 2>&1 | sed -n 's/gcc version //p'` @@ -283,8 +289,10 @@ if test "x$GCC" = xyes; then *) WFLAGS="$WFLAGS -fno-strict-aliasing";; esac + CFLAGS="$WERRORFLAGS $CFLAGS" else WFLAGS="" + WERRORFLAGS="" fi # --------------------------------------------------------------------------- |