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authorGeoffrey Keating <geoffk@apple.com>2004-11-05 04:49:19 +0000
committerGeoffrey Keating <geoffk@apple.com>2004-11-05 04:49:19 +0000
commit57f0b9ef4eb5824a67bb28e4720af93b8ba50486 (patch)
tree9c0488dfa9919d3ba6f1c976082a924834f13942 /fixincludes/README-fixinc
parentfb96c02e97c3d23a887e1b389461f8350d287c86 (diff)
Index: ChangeLog
2004-11-04 Geoffrey Keating <geoffk@apple.com> * Makefile.def: Build fixincludes for the host, too. * Makefile.in: Regenerate. * configure.in (host_tools): Add fixincludes. * configure: Regenerate. Index: fixincludes/ChangeLog 2004-11-04 Geoffrey Keating <geoffk@apple.com> * configure.ac: Add code to determine noncanonical_target, local_prefix, gcc_version; process mkheaders.in to make mkheaders. * configure: Regenerate. * fixinc.in: Move here from gcc/; fix many cross-hosting bugs. * mkfixinc.sh: Move here from gcc/; update for changes to fixinc.in. * mkheaders.in: Move here from gcc/; remove some unnecessary macros; update for changes to fixinc.in. * Makefile.in: Add many new macros. (install): New target. (mkheaders): New target. (fixinc.sh): New target. (all): Add mkheaders and fixinc.sh. * README-fixinc: Move here from gcc/. Index: gcc/ChangeLog 2004-11-04 Geoffrey Keating <geoffk@apple.com> * Makefile.in (distclean): Don't delete nonexistent fixinc/ directory. (install-mkheaders): Install the version built for the host, not for the build machine. * configure.ac: Always run fixincludes. (all_outputs): Remove mkheaders. * configure: Regenerate. * fixinc.in: Move to fixincludes/. * mkfixinc.sh: Likewise. * mkheaders.in: Likewise. * README-fixinc: Likewise. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@90117 138bc75d-0d04-0410-961f-82ee72b054a4
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+This README file is copied into the directory for GCC-only header files
+when fixincludes is run by the makefile for GCC.
+
+Many of the files in this directory were automatically edited from the
+standard system header files by the fixincludes process. They are
+system-specific, and will not work on any other kind of system. They
+are also not part of GCC. The reason we have to do this is because
+GCC requires ANSI C headers and many vendors supply ANSI-incompatible
+headers.
+
+Because this is an automated process, sometimes headers get "fixed"
+that do not, strictly speaking, need a fix. As long as nothing is broken
+by the process, it is just an unfortunate collateral inconvenience.
+We would like to rectify it, if it is not "too inconvenient".