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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/doc/headerdirs.texi')
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diff --git a/gcc-4.2.1-5666.3/gcc/doc/headerdirs.texi b/gcc-4.2.1-5666.3/gcc/doc/headerdirs.texi new file mode 100644 index 000000000..bc7f07f36 --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/doc/headerdirs.texi @@ -0,0 +1,32 @@ +@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. +@c This is part of the GCC manual. +@c For copying conditions, see the file gcc.texi. + +@node Header Dirs +@chapter Standard Header File Directories + +@code{GCC_INCLUDE_DIR} means the same thing for native and cross. It is +where GCC stores its private include files, and also where GCC +stores the fixed include files. A cross compiled GCC runs +@code{fixincludes} on the header files in @file{$(tooldir)/include}. +(If the cross compilation header files need to be fixed, they must be +installed before GCC is built. If the cross compilation header files +are already suitable for GCC, nothing special need be done). + +@code{GPLUSPLUS_INCLUDE_DIR} means the same thing for native and cross. It +is where @command{g++} looks first for header files. The C++ library +installs only target independent header files in that directory. + +@code{LOCAL_INCLUDE_DIR} is used only by native compilers. GCC +doesn't install anything there. It is normally +@file{/usr/local/include}. This is where local additions to a packaged +system should place header files. + +@code{CROSS_INCLUDE_DIR} is used only by cross compilers. GCC +doesn't install anything there. + +@code{TOOL_INCLUDE_DIR} is used for both native and cross compilers. It +is the place for other packages to install header files that GCC will +use. For a cross-compiler, this is the equivalent of +@file{/usr/include}. When you build a cross-compiler, +@code{fixincludes} processes any header files in this directory. |