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0000301

CMake

public

2003-10-24 17:49

2005-12-13 08:16

Reporter

Fred Wheeler

Assigned To

Bill Hoffman

Priority

normal

Severity

feature

Reproducibility

always

Status

closed

Resolution

fixed

Platform

OS Version

Product Version

Target Version

Fixed in Version

Summary

0000301: CMAKE_INCLUDE_PATH

Description

I have a suggestion for CMake. In some situations I run CMake with option lists like this.

  -DBUILD_VGUI:BOOL=ON \
  -DOPENGL_INCLUDE_DIR:PATH=/home/wheeler/usr/local/include \
  -DOPENGL_gl_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \
  -DOPENGL_glu_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \
  -DGLUT_INCLUDE_DIR:PATH=/home/wheeler/usr/local/include \
  -DGLUT_glut_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \
  -DGTK_glib_INCLUDE_PATH:PATH=/home/wheeler/usr/local/include \
  -DGTK_glib_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \
  -DGTK_glibconfig_INCLUDE_PATH:PATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib/glib/include \
  -DGTK_gmodule_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \
  -DGTK_gtk_INCLUDE_PATH:PATH=/home/wheeler/usr/local/include \
  -DGTK_gtk_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \
  -DGTK_gdk_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \
  -DGTK_gtkgl_INCLUDE_PATH:PATH=/home/wheeler/usr/local/include \
  -DGTK_gtkgl_LIBRARY:FILEPATH=/home/wheeler/usr/local/sparc-sun-solaris2.7/lib \

This is ugly and if OPENGL_INCLUDE_PATH changes to OPENGL_INCLUDE_DIR I have to track that down.

It would be nice if CMake recognized special new environment variables like:

  CMAKE_INCLUDE_PATH
  CMAKE_LIBRARY_PATH

Each CMake Modules FindXXX.cmake file would look to this env. var also when trying to track down packages. There could also be package specific specializations like,

  CMAKE_GTK_INCLUDE_PATH
  CMAKE_GTK_LIBRARY_PATH
  CMAKE_GLUT_INCLUDE_PATH
  CMAKE_GLUT_LIBRARY_PATH

There would be a pair of these for every FindXXX.cmake file.

I think this would be very easy to do since CMake already knows how to get at environment variables. Feature creep might be a danger. Not sure is Cmake's environment variable support would currently handle this (the colons),

  CMAKE_INCLUDE_PATH=/foo:/bar
  CMAKE_LIBRARY_PATH=/foo:/bar

Maybe the FindXXX.cmake files should also look for cache variables with these exact same names, so one could do this. Actually, this might be better then using environment variables?

  cmake -DCMAKE_INCLUDE_PATH=/foo:/bar -DCMAKE_LIBRARY_PATH=/foo:/bar

Regards,
Fred Wheeler

Notes
(0000207) Brad King (manager) 2003-10-30 13:39	Features will not be added to 1.8 branch. I'm changing this request to a Development tree request.

(0000937) 2004-04-22 13:25	I have added support for these env vars: CMAKE_INCLUDE_PATH CMAKE_LIBRARY_PATH in FIND_LIBRARY and FIND_PATH in addtion to and before PATH that was already being used. They can contain : or ; separated paths just like the system PATH.

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