Remove hasbeen'ed macros from the documentation.
* autoconf.texi (Obsolete Macros): Document AC_HASBEEN.
* autoconf.texi (Libraries): Remove the documentation of
AC_HAVE_LIB.
(Particular Headers): likewise for AC_UNISTD_H, AC_MEMORY_H,
AC_USG.
(C Compiler Characteristics): Likewise for AC_INT_16_BITS,
AC_LONG_64_BITS.
+1999-10-02 Akim Demaille <akim@epita.fr>
+
+ Remove hasbeen'ed macros from the documentation.
+
+ * autoconf.texi (Obsolete Macros): Document AC_HASBEEN.
+
+ * autoconf.texi (Libraries): Remove the documentation of
+ AC_HAVE_LIB.
+ (Particular Headers): likewise for AC_UNISTD_H, AC_MEMORY_H,
+ AC_USG.
+ (C Compiler Characteristics): Likewise for AC_INT_16_BITS,
+ AC_LONG_64_BITS.
+
1999-10-01 Akim Demaille <akim@epita.fr>
Make the handling of the configuration links (AC_LINK_FILES)
another (which may not already be in @code{LIBS}).
@end defmac
-@defmac AC_HAVE_LIBRARY (@var{library}, @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
-@maindex HAVE_LIBRARY
-This macro is equivalent to calling @code{AC_CHECK_LIB} with a
-@var{function} argument of @code{main}. In addition, @var{library} can
-be written as any of @samp{foo}, @samp{-lfoo}, or @samp{libfoo.a}. In
-all of those cases, the compiler is passed @samp{-lfoo}. However,
-@var{library} can not be a shell variable; it must be a literal name.
-This macro is considered obsolete.
-@end defmac
-
@defmac AC_SEARCH_LIBS (@var{function}, @var{search-libs} @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
@maindex SEARCH_LIBS
Search for a library defining @var{function}, if it's not already
@end example
@end defmac
-@defmac AC_MEMORY_H
-@maindex MEMORY_H
-@cvindex NEED_MEMORY_H
-Define @code{NEED_MEMORY_H} if @code{memcpy}, @code{memcmp}, etc. are
-not declared in @file{string.h} and @file{memory.h} exists. This macro
-is obsolete; instead, use @code{AC_CHECK_HEADERS(memory.h)}. See the
-example for @code{AC_HEADER_STDC}.
-@end defmac
-
-@defmac AC_UNISTD_H
-@maindex UNISTD_H
-@cvindex HAVE_UNISTD_H
-Define @code{HAVE_UNISTD_H} if the system has @file{unistd.h}. This
-macro is obsolete; instead, use @samp{AC_CHECK_HEADERS(unistd.h)}.
+@cvindex _POSIX_VERSION
+@code{_POSIX_VERSION} is defined when @file{unistd.h} is included on
+POSIX.1 systems. If there is no @file{unistd.h}, it is definitely not a
+POSIX.1 system. However, some non-POSIX.1 systems do have
+@file{unistd.h}.
The way to check if the system supports POSIX.1 is:
@end group
@end example
-@cvindex _POSIX_VERSION
-@code{_POSIX_VERSION} is defined when @file{unistd.h} is included on
-POSIX.1 systems. If there is no @file{unistd.h}, it is definitely not a
-POSIX.1 system. However, some non-POSIX.1 systems do have @file{unistd.h}.
-@end defmac
-
-@defmac AC_USG
-@maindex USG
-@cvindex USG
-Define @code{USG} if the system does not have @file{strings.h},
-@code{rindex}, @code{bzero}, etc. This implies that it has
-@file{string.h}, @code{strrchr}, @code{memset}, etc.
-
-The symbol @code{USG} is obsolete. Instead of this macro, see the
-example for @code{AC_HEADER_STDC}.
-@end defmac
@node Generic Headers, , Particular Headers, Header Files
@subsection Generic Header Checks
defines @code{SIZEOF_INT_P} to be 8 on DEC Alpha AXP systems.
@end defmac
-@defmac AC_INT_16_BITS
-@maindex INT_16_BITS
-@cvindex INT_16_BITS
-If the C type @code{int} is 16 bits wide, define @code{INT_16_BITS}.
-This macro is obsolete; it is more general to use
-@samp{AC_CHECK_SIZEOF(int)} instead.
-@end defmac
-
-@defmac AC_LONG_64_BITS
-@maindex LONG_64_BITS
-@cvindex LONG_64_BITS
-If the C type @code{long int} is 64 bits wide, define
-@code{LONG_64_BITS}. This macro is obsolete; it is more general to use
-@samp{AC_CHECK_SIZEOF(long)} instead.
-@end defmac
@node Fortran 77 Compiler Characteristics, System Services, C Compiler Characteristics, Existing Tests
a suggestion for what to use instead of @var{this-macro-name}.
@end defmac
+Supporting old macros can quickly become a maintenance nightmare, so the
+temptation of removing obsolete macros is high. The following macro
+intends to free the maintainer from this nightmare while still report an
+error to the users.
+
+@defmac AC_HASBEEN (@var{this-macro-name} @r{[}, @var{suggestion}@r{]})
+@maindex HASBEEN
+This is a stronger version of @code{AC_OBSOLETE} to be used when a macro
+is no longer implemented: @code{autoconf} dies on each occurence of
+@code{AC_HASBEEN}. Macros which have been left obsolete for a long time
+are likely to be hasbeen'ed.
+@end defmac
+
+
@node Manual Configuration, Site Configuration, Writing Macros, Top
@chapter Manual Configuration
another (which may not already be in @code{LIBS}).
@end defmac
-@defmac AC_HAVE_LIBRARY (@var{library}, @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
-@maindex HAVE_LIBRARY
-This macro is equivalent to calling @code{AC_CHECK_LIB} with a
-@var{function} argument of @code{main}. In addition, @var{library} can
-be written as any of @samp{foo}, @samp{-lfoo}, or @samp{libfoo.a}. In
-all of those cases, the compiler is passed @samp{-lfoo}. However,
-@var{library} can not be a shell variable; it must be a literal name.
-This macro is considered obsolete.
-@end defmac
-
@defmac AC_SEARCH_LIBS (@var{function}, @var{search-libs} @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
@maindex SEARCH_LIBS
Search for a library defining @var{function}, if it's not already
@end example
@end defmac
-@defmac AC_MEMORY_H
-@maindex MEMORY_H
-@cvindex NEED_MEMORY_H
-Define @code{NEED_MEMORY_H} if @code{memcpy}, @code{memcmp}, etc. are
-not declared in @file{string.h} and @file{memory.h} exists. This macro
-is obsolete; instead, use @code{AC_CHECK_HEADERS(memory.h)}. See the
-example for @code{AC_HEADER_STDC}.
-@end defmac
-
-@defmac AC_UNISTD_H
-@maindex UNISTD_H
-@cvindex HAVE_UNISTD_H
-Define @code{HAVE_UNISTD_H} if the system has @file{unistd.h}. This
-macro is obsolete; instead, use @samp{AC_CHECK_HEADERS(unistd.h)}.
+@cvindex _POSIX_VERSION
+@code{_POSIX_VERSION} is defined when @file{unistd.h} is included on
+POSIX.1 systems. If there is no @file{unistd.h}, it is definitely not a
+POSIX.1 system. However, some non-POSIX.1 systems do have
+@file{unistd.h}.
The way to check if the system supports POSIX.1 is:
@end group
@end example
-@cvindex _POSIX_VERSION
-@code{_POSIX_VERSION} is defined when @file{unistd.h} is included on
-POSIX.1 systems. If there is no @file{unistd.h}, it is definitely not a
-POSIX.1 system. However, some non-POSIX.1 systems do have @file{unistd.h}.
-@end defmac
-
-@defmac AC_USG
-@maindex USG
-@cvindex USG
-Define @code{USG} if the system does not have @file{strings.h},
-@code{rindex}, @code{bzero}, etc. This implies that it has
-@file{string.h}, @code{strrchr}, @code{memset}, etc.
-
-The symbol @code{USG} is obsolete. Instead of this macro, see the
-example for @code{AC_HEADER_STDC}.
-@end defmac
@node Generic Headers, , Particular Headers, Header Files
@subsection Generic Header Checks
defines @code{SIZEOF_INT_P} to be 8 on DEC Alpha AXP systems.
@end defmac
-@defmac AC_INT_16_BITS
-@maindex INT_16_BITS
-@cvindex INT_16_BITS
-If the C type @code{int} is 16 bits wide, define @code{INT_16_BITS}.
-This macro is obsolete; it is more general to use
-@samp{AC_CHECK_SIZEOF(int)} instead.
-@end defmac
-
-@defmac AC_LONG_64_BITS
-@maindex LONG_64_BITS
-@cvindex LONG_64_BITS
-If the C type @code{long int} is 64 bits wide, define
-@code{LONG_64_BITS}. This macro is obsolete; it is more general to use
-@samp{AC_CHECK_SIZEOF(long)} instead.
-@end defmac
@node Fortran 77 Compiler Characteristics, System Services, C Compiler Characteristics, Existing Tests
a suggestion for what to use instead of @var{this-macro-name}.
@end defmac
+Supporting old macros can quickly become a maintenance nightmare, so the
+temptation of removing obsolete macros is high. The following macro
+intends to free the maintainer from this nightmare while still report an
+error to the users.
+
+@defmac AC_HASBEEN (@var{this-macro-name} @r{[}, @var{suggestion}@r{]})
+@maindex HASBEEN
+This is a stronger version of @code{AC_OBSOLETE} to be used when a macro
+is no longer implemented: @code{autoconf} dies on each occurence of
+@code{AC_HASBEEN}. Macros which have been left obsolete for a long time
+are likely to be hasbeen'ed.
+@end defmac
+
+
@node Manual Configuration, Site Configuration, Writing Macros, Top
@chapter Manual Configuration
projects / thirdparty / autoconf.git / commitdiff
