[MacPorts] #17602: strigi: invalid conversion from 'const char**' to 'char**'

[MacPorts]

#17602: strigi: invalid conversion from 'const char**' to 'char**'
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  Reporter:  ryandesign@…             |       Owner:  clubjuggler@…        
      Type:  defect                   |      Status:  reopened             
  Priority:  Normal                   |   Milestone:                       
 Component:  ports                    |     Version:  1.7.0                
Resolution:                           |    Keywords:                       
      Port:  strigi                   |  
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Comment(by etphipp@…):

 I am getting the same build error with 0.6.3 and believe the trouble is
 cmake's configure of strigi is picking up the system libiconv (which has
 const char** as the second argument to libiconv()):

 $ grep ICONV CMakeCache.txt

 ICONV_INCLUDE_DIR:PATH=/Library/Frameworks/libiconv.framework/Headers
 ICONV_LIBRARIES:FILEPATH=/Library/Frameworks/libiconv.framework
 //Advanced flag for variable: ICONV_INCLUDE_DIR
 ICONV_INCLUDE_DIR-ADVANCED:INTERNAL=1
 //Advanced flag for variable: ICONV_LIBRARIES
 ICONV_LIBRARIES-ADVANCED:INTERNAL=1
 //Advanced flag for variable: ICONV_SECOND_ARGUMENT_IS_CONST
 ICONV_SECOND_ARGUMENT_IS_CONST-ADVANCED:INTERNAL=1
 //Test ICONV_SECOND_ARGUMENT_IS_CONST
 ICONV_SECOND_ARGUMENT_IS_CONST:INTERNAL=1

 However the build of strigi is trying to pull in the header from
 /opt/local/include (where the second argument to libiconv() is char**).  A
 solution is to override the path to libiconv in the cmake configure:

 configure.args-append -DICONV_INCLUDE_DIR:PATH=/opt/local/include
 configure.args-append
 -DICONV_LIBRARIES:FILEPATH=/opt/local/lib/libiconv.dylib
 configure.args-append
 -DLIBXML2_INCLUDE_DIR:PATH=/opt/local/include/libxml2
 configure.args-append
 -DLIBXML2_LIBRARIES:FILEPATH=/opt/local/lib/libxml2.dylib

 The last two fix a similar error that crops up later regarding libxml2.
 With these changes, 0.6.3 now builds on my machine.  A diff of the
 portfile is attached.

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Ticket URL: <http://trac.macports.org/ticket/17602#comment:13>
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