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authorPavel Roskin <plroskin@gmail.com>2016-06-21 16:30:17 -0700
committerPavel Roskin <plroskin@gmail.com>2016-07-08 04:29:40 +0000
commita680d46edf747ec17456b6b8e69c95bc4e4407cb (patch)
tree5a5426164cada48254fdbf06fa1caaca00f4b895 /sesman/chansrv/rail.c
parent951e6327576988251a9a479494e20d605efaad71 (diff)
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Use -Wwrite-strings compiler flag if supported, add required macros
String literals are const in C++. Using this warnings moves us closer to the stated goal of C++ compatibility, makes the code cleaner and lets compilers optimize the code better. Add m4/ax_append_compile_flags.m4 from Autoconf Archives for the AX_APPEND_COMPILE_FLAGS macro and m4/ax_check_compile_flag.m4 as its dependency.
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