annotate auto/cc/ccc @ 5041:7a6fbac9f3e3 stable-1.2

Merge of r4961: configure: better check for PCRE JIT. On Mac OS X system toolchain by default prefers include files from /usr/local/include, but libraries from /usr/lib. This might result in various problems, in particular the one outlined below. If the PCRE library is installed into /usr/local/, this results in pcre.h being used from /usr/local/include (with PCRE_CONFIG_JIT defined), but libpcre from /usr/lib (as shipped with the OS, without pcre_free_study() symbol). As a result build fails as we use pcre_free_study() function if we try to compile with PCRE JIT support. Obvious workaround to the root cause is to ask compiler to prefer library from /usr/local/lib via ./configure --with-ld-opt="-L/usr/local/lib". On the other hand, in any case it would be good to check if the function we are going to use is available, hence the change. See thread here for details: http://mailman.nginx.org/pipermail/nginx-devel/2012-December/003074.html Prodded by Piotr Sikora.
author Maxim Dounin <mdounin@mdounin.ru>
date Sun, 10 Feb 2013 03:18:08 +0000
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2 # Copyright (C) Igor Sysoev
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3 # Copyright (C) Nginx, Inc.
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6 # Compaq C V6.5-207
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8 ngx_include_opt="-I"
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10 # warnings
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12 CFLAGS="$CFLAGS -msg_enable level6 -msg_fatal level6"
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14 CFLAGS="$CFLAGS -msg_disable unknownmacro"
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15 CFLAGS="$CFLAGS -msg_disable unusedincl"
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16 CFLAGS="$CFLAGS -msg_disable unnecincl"
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17 CFLAGS="$CFLAGS -msg_disable nestincl"
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18 CFLAGS="$CFLAGS -msg_disable strctpadding"
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19 CFLAGS="$CFLAGS -msg_disable ansialiascast"
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20 CFLAGS="$CFLAGS -msg_disable inlinestoclsmod"
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21 CFLAGS="$CFLAGS -msg_disable cxxkeyword"
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22 CFLAGS="$CFLAGS -msg_disable longlongsufx"
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23 CFLAGS="$CFLAGS -msg_disable valuepres"
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25 # STUB
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26 CFLAGS="$CFLAGS -msg_disable truncintcast"
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27 CFLAGS="$CFLAGS -msg_disable trunclongcast"
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29 CFLAGS="$CFLAGS -msg_disable truncintasn"
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30 CFLAGS="$CFLAGS -msg_disable trunclongint"
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31 CFLAGS="$CFLAGS -msg_disable intconcastsgn"
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32 CFLAGS="$CFLAGS -msg_disable intconstsign"
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33 CFLAGS="$CFLAGS -msg_disable switchlong"
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34 CFLAGS="$CFLAGS -msg_disable subscrbounds2"
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36 CFLAGS="$CFLAGS -msg_disable hexoctunsign"
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38 CFLAGS="$CFLAGS -msg_disable ignorecallval"
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39 CFLAGS="$CFLAGS -msg_disable nonstandcast"
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40 CFLAGS="$CFLAGS -msg_disable embedcomment"
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41 CFLAGS="$CFLAGS -msg_disable unreachcode"
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42 CFLAGS="$CFLAGS -msg_disable questcompare2"
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43 CFLAGS="$CFLAGS -msg_disable unusedtop"
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44 CFLAGS="$CFLAGS -msg_disable unrefdecl"
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46 CFLAGS="$CFLAGS -msg_disable bitnotint"