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Bug #71343 Build system tries to link with Xcode libs and link fails
Submitted: 2016-01-12 01:11 UTC Modified: 2016-06-04 01:15 UTC
Votes:5
Avg. Score:4.2 ± 1.0
Reproduced:5 of 5 (100.0%)
Same Version:0 (0.0%)
Same OS:5 (100.0%)
From: yohgaki@php.net Assigned:
Status: Open Package: Compile Failure
PHP Version: Irrelevant OS: OSX
Private report: No CVE-ID: None
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From: yohgaki@php.net
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 [2016-01-12 01:11 UTC] yohgaki@php.net
Description:
------------
Xcode libs should have lowest precedence, but build system tries to link with Xcode libs and link fails.

It seems not only -L flag, but also -I flag (and others) have the same issue.

All supported/dev branches have this problem.



Test script:
---------------
$ YACC=/usr/local/opt/bison27/bin/bison ./configure --with-iconv=/usr/local/opt/libiconv && make -j 4

You'll need brew's bison27 and libiconv.

Expected result:
----------------
Link should succeed. 

Actual result:
--------------
cc -I/usr/local/opt/libiconv/include -g -O2 -fvisibility=hidden   -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/lib -L/usr/local/opt/libiconv/lib  -Wl,-rpath,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/lib -Wl,-rpath,/usr/local/opt/libiconv/lib ext/date/php_date.o ext/date/lib/astro.o ext/date/lib/dow.o ext/date/lib/parse_date.o ext/date/lib/parse_tz.o 
***SNIP***
main/fastcgi.o sapi/cgi/cgi_main.o  -lresolv -liconv -liconv -lm -lxml2 -lz -licucore -lm -lxml2 -lz -licucore -lm -lxml2 -lz -licucore -lm -lxml2 -lz -licucore -lm -lxml2 -lz -licucore -lm -lxml2 -lz -licucore -lm  -o sapi/cgi/php-cgi
Undefined symbols for architecture x86_64:
  "_libiconv", referenced from:
      _zif_iconv_substr in iconv.o
      _zif_iconv_mime_encode in iconv.o
      _php_iconv_string in iconv.o
      __php_iconv_strlen in iconv.o
      __php_iconv_strpos in iconv.o
      __php_iconv_appendl in iconv.o
      _php_iconv_stream_filter_append_bucket in iconv.o
      ...
***SNIP***

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 [2016-06-04 01:15 UTC] yohgaki@php.net
-PHP Version: 5.6Git-2016-01-12 (Git) +PHP Version: Irrelevant
 [2016-06-04 01:15 UTC] yohgaki@php.net
I build PHP on OSX on occasions and I still have this issue.
The cause is EXTRA_LDFALGS/EXTRA_LDFALGS_PROGRAM define

-L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/lib

before libs specified by configure options. If you have the same issue, remove OSX/Xcode system lib from EXTRA_LDFALGS/EXTRA_LDFLAGS_PROGRAMS.
 
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