Rename LIBC_VERSION to BUILD2_AUTOCONF_LIBC_VERSION, add include guard
This commit is contained in:
Boris Kolpackov
parent
fba5138c0d
commit
79d26b5bb3
@ -141,9 +141,9 @@ The first line in this header file must be in the form:
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If the name is followed by the `!` modifier, then it is *unprefixable* (see
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the previous section for details). The name can also be followed by `:` and a
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list of base checks. Such checks are automatically inserted before the rest of
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the lines in the resulting substitution. One notable check that you may
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want to use as a base is [`LIBC_VERSION`][libc-version] (see comments for
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details).
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the lines in the resulting substitution. One notable check that you may want
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to use as a base is [`BUILD2_AUTOCONF_LIBC_VERSION`][libc-version] (see
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comments for details).
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Subsequent lines should be C-style comments or preprocessor directives that
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`#define` or `#undef` `<NAME>` depending on whether the feature is available
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@ -180,4 +180,4 @@ ways that deal with duplication (for example, include guards).
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[module-in]: https://build2.org/build2/doc/build2-build-system-manual.xhtml#module-in
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[proj-config]: https://build2.org/build2/doc/build2-build-system-manual.xhtml#proj-config
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[checks]: https://github.com/build2/libbuild2-autoconf/tree/master/libbuild2-autoconf/libbuild2/autoconf/checks/
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[libc-version]: https://github.com/build2/libbuild2-autoconf/tree/master/libbuild2-autoconf/libbuild2/autoconf/checks/LIBC_VERSION.h
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[libc-version]: https://github.com/build2/libbuild2-autoconf/tree/master/libbuild2-autoconf/libbuild2/autoconf/checks/BUILD2_AUTOCONF_LIBC_VERSION.h
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@ -1,4 +1,7 @@
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// LIBC_VERSION!
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// BUILD2_AUTOCONF_LIBC_VERSION!
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#ifndef BUILD2_AUTOCONF_LIBC_VERSION
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#define BUILD2_AUTOCONF_LIBC_VERSION
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/* Include headers required to make various libc version number macros
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* available.
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@ -167,3 +170,5 @@
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#else
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# define BUILD2_AUTOCONF_MACOS_PREREQ(maj, min) 0
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#endif
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#endif /* BUILD2_AUTOCONF_LIBC_VERSION */
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@ -1,4 +1,4 @@
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// HAVE_CLOCK_GETTIME : LIBC_VERSION
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// HAVE_CLOCK_GETTIME : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_CLOCK_GETTIME
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@ -1,4 +1,4 @@
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// HAVE_DLOPEN : LIBC_VERSION
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// HAVE_DLOPEN : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_DLOPEN
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@ -1,4 +1,4 @@
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// HAVE_EVENTFD : LIBC_VERSION
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// HAVE_EVENTFD : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_EVENTFD
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@ -1,4 +1,4 @@
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// HAVE_EXPLICIT_BZERO : LIBC_VERSION
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// HAVE_EXPLICIT_BZERO : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_EXPLICIT_BZERO
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@ -1,4 +1,4 @@
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// HAVE_EXPLICIT_MEMSET : LIBC_VERSION
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// HAVE_EXPLICIT_MEMSET : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_EXPLICIT_MEMSET
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@ -1,4 +1,4 @@
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// HAVE_FUTIMENS : LIBC_VERSION
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// HAVE_FUTIMENS : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_FUTIMENS
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@ -1,4 +1,4 @@
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// HAVE_FUTIMES : LIBC_VERSION
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// HAVE_FUTIMES : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_FUTIMES
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@ -1,4 +1,4 @@
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// HAVE_GETAUXVAL : LIBC_VERSION
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// HAVE_GETAUXVAL : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_GETAUXVAL
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@ -1,4 +1,4 @@
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// HAVE_GETENTROPY : LIBC_VERSION
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// HAVE_GETENTROPY : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_GETENTROPY
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@ -1,4 +1,4 @@
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// HAVE_INOTIFY : LIBC_VERSION
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// HAVE_INOTIFY : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_INOTIFY
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@ -1,4 +1,4 @@
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// HAVE_LINKAT : LIBC_VERSION
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// HAVE_LINKAT : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_LINKAT
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@ -1,4 +1,4 @@
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// HAVE_POLL : LIBC_VERSION
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// HAVE_POLL : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_POLL
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@ -1,4 +1,4 @@
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// HAVE_POLLTS : LIBC_VERSION
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// HAVE_POLLTS : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_POLLTS
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@ -1,4 +1,4 @@
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// HAVE_POSIX_FALLOCATE : LIBC_VERSION
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// HAVE_POSIX_FALLOCATE : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_POSIX_FALLOCATE
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@ -1,4 +1,4 @@
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// HAVE_PPOLL : LIBC_VERSION
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// HAVE_PPOLL : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_PPOLL
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@ -1,4 +1,4 @@
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// HAVE_RENAMEAT2 : LIBC_VERSION
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// HAVE_RENAMEAT2 : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_RENAMEAT2
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@ -1,4 +1,4 @@
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// HAVE_STATX : LIBC_VERSION
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// HAVE_STATX : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_STATX
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@ -1,4 +1,4 @@
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// HAVE_THREADSAFE_CLOEXEC
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// HAVE_THREADSAFE_CLOEXEC : BUILD2_AUTOCONF_LIBC_VERSION
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#undef HAVE_THREADSAFE_CLOEXEC
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