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build: locally disable new GCC warnings that fail on Flex generated code

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* configure.ac: here.
This commit is contained in:
Akim Demaille
2013-05-29 16:27:59 +02:00
parent c0efa83c0b
commit ec991d74e1
1 changed files with 3 additions and 1 deletions
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4
configure.ac
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@@ -144,7 +144,9 @@ if test "$enable_gcc_warnings" = yes; then
done done
# Clang++ 3.2+ reject C code generated by Flex. # Clang++ 3.2+ reject C code generated by Flex.
gl_WARN_ADD([-Wno-null-conversion], [FLEX_SCANNER_CXXFLAGS]) gl_WARN_ADD([-Wno-null-conversion], [FLEX_SCANNER_CXXFLAGS])
# So does G++ 4.8 in std=c++11 mode. # So does G++ 4.8...
gl_WARN_ADD([-Wno-sign-compare], [FLEX_SCANNER_CXXFLAGS])
# ... possiby in std=c++11 mode.
gl_WARN_ADD([-Wno-zero-as-null-pointer-constant], [FLEX_SCANNER_CXXFLAGS]) gl_WARN_ADD([-Wno-zero-as-null-pointer-constant], [FLEX_SCANNER_CXXFLAGS])
CXXFLAGS=$save_CXXFLAGS CXXFLAGS=$save_CXXFLAGS
AC_LANG_POP([C++]) AC_LANG_POP([C++])