In a sage python shell (./sage --python), can you go to the matplotlib
build dir ($SAGE_ROOT/spkg/build/matplotlib*/src/) and run
{{{
import setupext
module = setupext.make_extension("test", [])
setupext.get_pkgconfig(module, 'libpng', 'png', report_error=True)
}}}
On Thursday, July 11, 2013 3:30:57 PM UTC+2, Jean-Pierre Flori wrote:
>
>
>
> On Thursday, July 11, 2013 3:18:53 PM UTC+2, Paul Mercat wrote:
>>
>> In the Sage shell, the command
>>
>> pkg-config --variable pc_path pkg-config
>>
>> gives nothing.
>> And the command
>>
>> export PKG_CONFIG_DEBUG_SPEW=yes;
>> pkg-config --libs --cflags libpng
>>
>> gives
>>
>> PKG_CONFIG_DEBUG_SPEW variable enabling debug spew
>> Adding directory '/Users/mercat/sage-5.10/local/lib/pkgconfig' from
>> PKG_CONFIG_PATH
>> Adding directory '/usr/local/lib/pkgconfig' from PKG_CONFIG_PATH
>> Adding directory '/usr/local/share/pkgconfig' from PKG_CONFIG_PATH
>> Global variable definition 'pc_top_builddir' = '$(top_builddir)'
>> Option --libs seen
>> Option --cflags seen
>> Error printing enabled by default due to use of --version, --libs,
>> --cflags, --libs-only-l, --libs-only-L, --libs-only-other, --cflags-only-I,
>> --cflags-only-other or --list. Value of --silence-errors: 0
>> Error printing enabled
>> Adding virtual 'pkg-config' package to list of known packages
>> Scanning directory '/Users/mercat/sage-5.10/local/lib/pkgconfig'
>> Ignoring file '.' in search directory; not a .pc file
>> Ignoring file '..' in search directory; not a .pc file
>> File 'bdw-gc.pc' appears to be a .pc file
>> Will find package 'bdw-gc' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/bdw-gc.pc'
>> File 'freetype2.pc' appears to be a .pc file
>> Will find package 'freetype2' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/freetype2.pc'
>> File 'gsl.pc' appears to be a .pc file
>> Will find package 'gsl' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/gsl.pc'
>> File 'libpng.pc' appears to be a .pc file
>> Will find package 'libpng' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/libpng.pc'
>> File 'libpng12.pc' appears to be a .pc file
>> Will find package 'libpng12' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/libpng12.pc'
>> File 'm4ri.pc' appears to be a .pc file
>> Will find package 'm4ri' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/m4ri.pc'
>> File 'pynac.pc' appears to be a .pc file
>> Will find package 'pynac' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/pynac.pc'
>> File 'python-2.7.pc' appears to be a .pc file
>> Will find package 'python-2.7' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/python-2.7.pc'
>> File 'python.pc' appears to be a .pc file
>> Will find package 'python' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/python.pc'
>> File 'python2.pc' appears to be a .pc file
>> Will find package 'python2' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/python2.pc'
>> File 'sqlite3.pc' appears to be a .pc file
>> Will find package 'sqlite3' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/sqlite3.pc'
>> File 'zlib.pc' appears to be a .pc file
>> Will find package 'zlib' in file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/zlib.pc'
>> Scanning directory '/usr/local/lib/pkgconfig'
>> Ignoring file '.' in search directory; not a .pc file
>> Ignoring file '..' in search directory; not a .pc file
>> File 'ImageMagick++-Q16.pc' appears to be a .pc file
>> Will find package 'ImageMagick++-Q16' in file
>> '/usr/local/lib/pkgconfig/ImageMagick++-Q16.pc'
>> File 'ImageMagick++.pc' appears to be a .pc file
>> Will find package 'ImageMagick++' in file
>> '/usr/local/lib/pkgconfig/ImageMagick++.pc'
>> File 'ImageMagick-Q16.pc' appears to be a .pc file
>> Will find package 'ImageMagick-Q16' in file
>> '/usr/local/lib/pkgconfig/ImageMagick-Q16.pc'
>> File 'ImageMagick.pc' appears to be a .pc file
>> Will find package 'ImageMagick' in file
>> '/usr/local/lib/pkgconfig/ImageMagick.pc'
>> File 'libavcodec.pc' appears to be a .pc file
>> Will find package 'libavcodec' in file
>> '/usr/local/lib/pkgconfig/libavcodec.pc'
>> File 'libavdevice.pc' appears to be a .pc file
>> Will find package 'libavdevice' in file
>> '/usr/local/lib/pkgconfig/libavdevice.pc'
>> File 'libavfilter.pc' appears to be a .pc file
>> Will find package 'libavfilter' in file
>> '/usr/local/lib/pkgconfig/libavfilter.pc'
>> File 'libavformat.pc' appears to be a .pc file
>> Will find package 'libavformat' in file
>> '/usr/local/lib/pkgconfig/libavformat.pc'
>> File 'libavutil.pc' appears to be a .pc file
>> Will find package 'libavutil' in file
>> '/usr/local/lib/pkgconfig/libavutil.pc'
>> File 'libcdt.pc' appears to be a .pc file
>> Will find package 'libcdt' in file '/usr/local/lib/pkgconfig/libcdt.pc'
>> File 'libcgraph.pc' appears to be a .pc file
>> Will find package 'libcgraph' in file
>> '/usr/local/lib/pkgconfig/libcgraph.pc'
>> File 'libgraph.pc' appears to be a .pc file
>> Will find package 'libgraph' in file
>> '/usr/local/lib/pkgconfig/libgraph.pc'
>> File 'libgvc.pc' appears to be a .pc file
>> Will find package 'libgvc' in file '/usr/local/lib/pkgconfig/libgvc.pc'
>> File 'libgvpr.pc' appears to be a .pc file
>> Will find package 'libgvpr' in file '/usr/local/lib/pkgconfig/libgvpr.pc'
>> File 'libpathplan.pc' appears to be a .pc file
>> Will find package 'libpathplan' in file
>> '/usr/local/lib/pkgconfig/libpathplan.pc'
>> File 'libswresample.pc' appears to be a .pc file
>> Will find package 'libswresample' in file
>> '/usr/local/lib/pkgconfig/libswresample.pc'
>> File 'libswscale.pc' appears to be a .pc file
>> Will find package 'libswscale' in file
>> '/usr/local/lib/pkgconfig/libswscale.pc'
>> File 'libxdot.pc' appears to be a .pc file
>> Will find package 'libxdot' in file '/usr/local/lib/pkgconfig/libxdot.pc'
>> File 'Magick++-Q16.pc' appears to be a .pc file
>> Will find package 'Magick++-Q16' in file
>> '/usr/local/lib/pkgconfig/Magick++-Q16.pc'
>> File 'Magick++.pc' appears to be a .pc file
>> Will find package 'Magick++' in file
>> '/usr/local/lib/pkgconfig/Magick++.pc'
>> File 'MagickCore-Q16.pc' appears to be a .pc file
>> Will find package 'MagickCore-Q16' in file
>> '/usr/local/lib/pkgconfig/MagickCore-Q16.pc'
>> File 'MagickCore.pc' appears to be a .pc file
>> Will find package 'MagickCore' in file
>> '/usr/local/lib/pkgconfig/MagickCore.pc'
>> File 'MagickWand-Q16.pc' appears to be a .pc file
>> Will find package 'MagickWand-Q16' in file
>> '/usr/local/lib/pkgconfig/MagickWand-Q16.pc'
>> File 'MagickWand.pc' appears to be a .pc file
>> Will find package 'MagickWand' in file
>> '/usr/local/lib/pkgconfig/MagickWand.pc'
>> File 'sdl.pc' appears to be a .pc file
>> Will find package 'sdl' in file '/usr/local/lib/pkgconfig/sdl.pc'
>> File 'SDL_image.pc' appears to be a .pc file
>> Will find package 'SDL_image' in file
>> '/usr/local/lib/pkgconfig/SDL_image.pc'
>> File 'SDL_ttf.pc' appears to be a .pc file
>> Will find package 'SDL_ttf' in file '/usr/local/lib/pkgconfig/SDL_ttf.pc'
>> File 'sndfile.pc' appears to be a .pc file
>> Will find package 'sndfile' in file '/usr/local/lib/pkgconfig/sndfile.pc'
>> File 'Wand-Q16.pc' appears to be a .pc file
>> Will find package 'Wand-Q16' in file
>> '/usr/local/lib/pkgconfig/Wand-Q16.pc'
>> File 'Wand.pc' appears to be a .pc file
>> Will find package 'Wand' in file '/usr/local/lib/pkgconfig/Wand.pc'
>> File 'zlib.pc' appears to be a .pc file
>> File 'zlib.pc' ignored, we already know about package 'zlib'
>> Cannot open directory '/usr/local/share/pkgconfig' in package search
>> path: No such file or directory
>> Looking for package 'libpng'
>> Looking for package 'libpng-uninstalled'
>> Reading 'libpng' from file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/libpng.pc'
>> Parsing package file
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/libpng.pc'
>> line>SAGE_ROOT=/Users/mercat/sage-5.10
>> Variable declaration, 'SAGE_ROOT' has value '/Users/mercat/sage-5.10'
>> line>prefix=${SAGE_ROOT}/local
>> Variable declaration, 'prefix' has value '/Users/mercat/sage-5.10/local'
>> line>exec_prefix=${prefix}
>> Variable declaration, 'exec_prefix' has value
>> '/Users/mercat/sage-5.10/local'
>> line>libdir=${SAGE_ROOT}/local/lib
>> Variable declaration, 'libdir' has value
>> '/Users/mercat/sage-5.10/local/lib'
>> line>includedir=${prefix}/include/libpng12
>> Variable declaration, 'includedir' has value
>> '/Users/mercat/sage-5.10/local/include/libpng12'
>> line>
>> line>Name: libpng
>> line>Description: Loads and saves PNG files
>> line>Version: 1.2.35
>> line>Libs: -L${libdir} -lpng12
>> line>Libs.private: -lz
>> Unknown keyword 'Libs.private' in
>> '/Users/mercat/sage-5.10/local/lib/pkgconfig/libpng.pc'
>> line>Cflags: -I${includedir}
>> Path position of 'libpng' is 1
>> Adding 'libpng' to list of known packages, returning as package 'libpng'
>> original: libpng
>> sorted: libpng
>> original: libpng
>> sorted: libpng
>> original: libpng
>> sorted: libpng
>> original: libpng
>> sorted: libpng
>> -I/Users/mercat/sage-5.10/local/include/libpng12
>> -L/Users/mercat/sage-5.10/local/lib -lpng12
>>
>> This looks fine...
> (Last time you got nothing but in fact this was to be expected as you were
> not in a sage shell.)
>
>>
>>
>
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