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m4: WARN FLAGS: Drop -Wenum-compare

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My RHEL-6 gcc (4.4.7) complains a lot about it:
   cc1: warning: command line option "-Wenum-compare" is
   valid for C++/ObjC++ but not for C

For older gcc version (e.g. 4.4.7), man gcc says
-Wenum-compare is "C++ and Objective-C++ only".

For newer gcc (e.g. 4.9.2), man gcc says
"In C this warning is enabled by -Wall."
This commit is contained in:
Uri Lublin 2015-02-15 17:11:58 +02:00
parent 6b4c036bdb
commit b2c48e7eba
1 changed files with 3 additions and 0 deletions
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3
m4/spice-compile-warnings.m4
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@ -23,6 +23,9 @@ AC_DEFUN([SPICE_COMPILE_WARNINGS],[
dontwarn="$dontwarn -Wc++-compat"
dontwarn="$dontwarn -Wabi"
dontwarn="$dontwarn -Wdeprecated"
# For older gcc versions, -Wenum-compare is "C++ and Objective-C++ only"
# For newer gcc versions, -Wenum-compare is "enabled by -Wall"
dontwarn="$dontwarn -Wenum-compare"
# Don't care about ancient C standard compat
dontwarn="$dontwarn -Wtraditional"
# Don't care about ancient C standard compat