Mercurial > hg > nginx-quic
annotate auto/include @ 4960:b39d947fcb82
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 is 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> |
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date | Wed, 12 Dec 2012 13:50:07 +0000 |
parents | d620f497c50f |
children | 434548349838 |
rev | line source |
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2 # Copyright (C) Igor Sysoev |
4412 | 3 # Copyright (C) Nginx, Inc. |
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455 | 6 echo $ngx_n "checking for $ngx_include ...$ngx_c" |
7 | |
8 cat << END >> $NGX_AUTOCONF_ERR | |
9 | |
10 ---------------------------------------- | |
11 checking for $ngx_include | |
12 | |
13 END | |
14 | |
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16 ngx_found=no |
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18 cat << END > $NGX_AUTOTEST.c |
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20 $NGX_INCLUDE_SYS_PARAM_H |
455 | 21 #include <$ngx_include> |
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23 int main() { |
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24 return 0; |
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25 } |
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27 END |
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455 | 29 |
30 ngx_test="$CC -o $NGX_AUTOTEST $NGX_AUTOTEST.c" | |
31 | |
32 eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1" | |
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34 if [ -x $NGX_AUTOTEST ]; then |
455 | 35 |
36 ngx_found=yes | |
37 | |
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38 echo " found" |
455 | 39 |
645 | 40 ngx_name=`echo $ngx_include \ |
41 | tr abcdefghijklmnopqrstuvwxyz/. ABCDEFGHIJKLMNOPQRSTUVWXYZ__` | |
455 | 42 |
43 | |
509 | 44 have=NGX_HAVE_$ngx_name . auto/have_headers |
455 | 45 |
46 eval "NGX_INCLUDE_$ngx_name='#include <$ngx_include>'" | |
47 | |
577 | 48 #STUB |
455 | 49 eval "NGX_$ngx_name='#include <$ngx_include>'" |
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51 else |
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52 echo " not found" |
455 | 53 |
54 echo "----------" >> $NGX_AUTOCONF_ERR | |
55 cat $NGX_AUTOTEST.c >> $NGX_AUTOCONF_ERR | |
56 echo "----------" >> $NGX_AUTOCONF_ERR | |
57 echo $ngx_test >> $NGX_AUTOCONF_ERR | |
58 echo "----------" >> $NGX_AUTOCONF_ERR | |
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59 fi |
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61 rm $NGX_AUTOTEST* |