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tests: fix failures with G++ 4.8 in Flex scanner

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* configure.ac (WARN_NO_NULL_CONVERSION_CXXFLAGS): Rename as...
(FLEX_SCANNER_CXXFLAGS): this.
Pass -Wno-zero-as-null-pointer-constant to G++ if it supports it.
* examples/calc++/local.mk: Adjust.
This commit is contained in:
Akim Demaille
2013-02-19 17:42:33 +01:00
parent bbed3fdef6
commit 5ae8eb3202
2 changed files with 18 additions and 17 deletions
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4
configure.ac
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@@ -143,7 +143,9 @@ if test "$enable_gcc_warnings" = yes; then
gl_WARN_ADD([$i], [WARN_CXXFLAGS_TEST])
done
# Clang++ 3.2+ reject C code generated by Flex.
gl_WARN_ADD([-Wno-null-conversion], [WARN_NO_NULL_CONVERSION_CXXFLAGS])
gl_WARN_ADD([-Wno-null-conversion], [FLEX_SCANNER_CXXFLAGS])
# So does G++ 4.8 in std=c++11 mode.
gl_WARN_ADD([-Wno-zero-as-null-pointer-constant], [FLEX_SCANNER_CXXFLAGS])
CXXFLAGS=$save_CXXFLAGS
AC_LANG_POP([C++])
fi