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Avoid clang to report unused options as warning

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Otherwise this conflicts with the -Werror flag
This commit is contained in:
Andrea Mazzoleni 2016-11-06 16:47:26 +01:00
parent 5c5f44e2a0
commit dd32095970
1 changed files with 6 additions and 1 deletions
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7
configure.ac
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@ -337,7 +337,12 @@ AC_ARG_ENABLE([debug],
AC_ARG_ENABLE([warning-as-error],
[AS_HELP_STRING([--enable-warning-as-error],[stop build on warnings])],
CFLAGS="$CFLAGS -Werror",
[
AC_CHECK_CC_OPT([-Werror], CFLAGS="$CFLAGS -Werror", [])
dnl This avoid the Darwin error: clang: error: argument unused during compilation: '-pthread'
dnl See: https://llvm.org/bugs/show_bug.cgi?id=7798
AC_CHECK_CC_OPT([-Wno-error=unused-command-line-argument], CFLAGS="$CFLAGS -Wno-error=unused-command-line-argument", [])
],
[])
AC_ARG_ENABLE([warning],