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configure: Use -Werror-implicit-function-declaration with GCC

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Add -Werror-implicit-function-declaration to the default compiled
flags used with GCC. Add the option through a new variable ERRORFLAGS
instead of the existing WARNFLAGS to avoid using it in configure
tests. I think it's overall preferable not to fail tests because of
the warning - in some case this could cause a compilation failure
later, but on the other hand it could be just an unreliable test
triggering the warning and even if it does fail those are likely cases
worth closer investigation.
This commit is contained in:
Uoti Urpala 2011-07-06 10:53:41 +03:00
parent 6075b4d4b2
commit b7f5744053
1 changed files with 3 additions and 2 deletions
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5
configure vendored
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@ -2321,6 +2321,7 @@ elif test -z "$CFLAGS" ; then
else
CFLAGS="-O2 $_march $_mcpu $_pipe -ffast-math -fomit-frame-pointer"
WARNFLAGS="-Wall -Wno-switch -Wno-parentheses -Wpointer-arith -Wredundant-decls"
ERRORFLAGS="-Werror-implicit-function-declaration"
extra_ldflags="$extra_ldflags -ffast-math"
fi
else
@ -6654,8 +6655,8 @@ INSTALL = $_install
INSTALLSTRIP = $_install_strip
WINDRES = $_windres
CFLAGS = $WARNFLAGS $WARN_CFLAGS $CFLAGS $extra_cflags
CXXFLAGS = $WARNFLAGS $CXXFLAGS $extra_cflags $extra_cxxflags
CFLAGS = $WARNFLAGS $ERRORFLAGS $WARN_CFLAGS $CFLAGS $extra_cflags
CXXFLAGS = $WARNFLAGS $ERRORFLAGS $CXXFLAGS $extra_cflags $extra_cxxflags
DEPFLAGS = $DEPFLAGS
CFLAGS_LIBDVDCSS = $cflags_libdvdcss