by the Foundation.
@end titlepage
+@c Define an environment variable index.
+@defcodeindex ev
+@c Define a Makefile variable index.
+@defcodeindex mv
+@c Define a CPP variable index.
+@defcodeindex cv
@c Define a macro index that @@defmac doesn't write to.
@defcodeindex ma
-@c Define a CPP variable index that @@defvar doesn't write to.
-@defcodeindex cv
-@c Define an environment variable index that @@defvar doesn't write to.
-@defcodeindex ev
@node Top, Introduction, , (dir)
@comment node-name, next, previous, up
* History:: History of Autoconf.
* Old Macro Names:: Backward compatibility macros.
* Environment Variable Index:: Index of environment variables used.
+* Make Variable Index:: Index of @code{make} variables set.
* Preprocessor Symbol Index:: Index of C preprocessor symbols defined.
* Macro Index:: Index of Autoconf macros.
Makefiles
-* Predefined Variables:: Heavily used @code{make} variables.
+* Predefined Variables:: @code{make} variables that are always set.
* VPATH Substitutions:: Compiling in a different directory.
* Automatic Remaking:: Makefile rules for configuring.
@defmac AC_CONFIG_SUBDIRS (@var{dir} @dots{})
@maindex CONFIG_SUBDIRS
+@mvindex subdirs
Run @code{configure} in each subdirectory @var{dir} in the given
whitespace-separated list. If a given @var{dir} is not found, no error
is reported, so a @code{configure} script can configure whichever parts
@defmac AC_ARG_PROGRAM
@maindex ARG_PROGRAM
-Place in @file{Makefile} variable @code{program_transform_name} a
+@mvindex program_transform_name
+Place in @code{make} variable @code{program_transform_name} a
sequence of @code{sed} commands for changing the names of installed
programs.
@defmac AC_PROG_AWK
@maindex PROG_AWK
+@mvindex AWK
Check for @code{mawk}, @code{gawk}, @code{nawk}, and @code{awk}, in that
order, and set @code{make} variable @code{AWK} to the first one that it
finds.
@defmac AC_PROG_CC
@maindex PROG_CC
+@mvindex CC
+@mvindex CFLAGS
Determine a C compiler to use. If @code{CC} is not already set in the
environment, check for @code{gcc}, and use @code{cc} if it's not found.
Set @code{make} variable @code{CC} to the name of the compiler found.
@defmac AC_PROG_CPP
@maindex PROG_CPP
+@mvindex CPP
Set shell and @code{make} variable @code{CPP} to a command that runs the
C preprocessor. If @samp{$CC -E} doesn't work, it uses @file{/lib/cpp}.
It is only portable to run @code{CPP} on files with a @file{.c}
@defmac AC_PROG_CXX
@maindex PROG_CXX
+@mvindex CXX
+@mvindex CXXFLAGS
Determine a C++ compiler to use. Check if the environment variable
@code{CXX} or @code{CCC} (in that order) is set; if so, set @code{make}
variable @code{CXX} to its value. Otherwise search for a C++ compiler
@defmac AC_PROG_CXXCPP
@maindex PROG_CXXCPP
+@mvindex CXXCPP
Set shell and @code{make} variable @code{CXXCPP} to a command that runs the
C++ preprocessor. If @samp{$CXX -E} doesn't work, it uses @file{/lib/cpp}.
It is only portable to run @code{CXXCPP} on files with a @file{.c},
@defmac AC_PROG_GCC_TRADITIONAL
@maindex PROG_GCC_TRADITIONAL
+@mvindex CC
Add @samp{-traditional} to @code{make} variable @code{CC} if using the
GNU C compiler and @code{ioctl} does not work properly without
@samp{-traditional}. That usually happens when the fixed header files
@defmac AC_PROG_INSTALL
@maindex PROG_INSTALL
+@mvindex INSTALL
+@mvindex INSTALL_PROGRAM
+@mvindex INSTALL_DATA
Set @code{make} variable @code{INSTALL} to the path of a BSD compatible
@code{install} program, if one is found in the current @code{PATH}.
Otherwise, set @code{INSTALL} to @samp{@var{dir}/install.sh -c}, where
@defmac AC_PROG_LEX
@maindex PROG_LEX
+@mvindex LEX
+@mvindex LEXLIB
If @code{flex} is found, set @code{make} variable @code{LEX} to
@samp{flex} and @code{LEXLIB} to @samp{-lfl}, if that library is in a
standard place. Otherwise set @code{LEX} to @samp{lex} and
@defmac AC_PROG_LN_S
@maindex PROG_LN_S
+@mvindex LN_S
If @samp{ln -s} works on the current filesystem (the operating system
and filesystem support symbolic links), set shell and @code{make}
variable @code{LN_S} to @samp{ln -s}, otherwise set it to @samp{ln}.
@defmac AC_PROG_MAKE_SET
@maindex PROG_MAKE_SET
+@mvindex SET_MAKE
If @code{make} predefines the variable @code{MAKE}, define @code{make}
variable @code{SET_MAKE} to be empty. Otherwise, define @code{SET_MAKE}
to contain @samp{MAKE=make}. Calls @code{AC_SUBST} for @code{SET_MAKE}.
@defmac AC_PROG_RANLIB
@maindex PROG_RANLIB
+@mvindex RANLIB
Set @code{make} variable @code{RANLIB} to @samp{ranlib} if @code{ranlib}
is found, otherwise to @samp{:} (do nothing).
@end defmac
@defmac AC_PROG_YACC
@maindex PROG_YACC
+@mvindex YACC
If @code{bison} is found, set @code{make} variable @code{YACC} to
@samp{bison -y}. Otherwise, if @code{byacc} is found, set @code{YACC}
to @samp{byacc}. Otherwise set @code{YACC} to @samp{yacc}.
@maindex FUNC_ALLOCA
@cvindex C_ALLOCA
@cvindex HAVE_ALLOCA_H
+@mvindex ALLOCA
Check how to get @code{alloca}. Tries to get a builtin version by
checking for @file{alloca.h} or the predefined C preprocessor macros
@code{__GNUC__} and @code{_AIX}. If this macro finds @file{alloca.h},
@cvindex NLIST_NAME_UNION
@cvindex GETLODAVG_PRIVILEGED
@cvindex NEED_SETGID
+@mvindex LIBOBJS
+@mvindex NEED_SETGID
+@mvindex KMEM_GROUP
Check how to get the system load averages. If the system has the
@code{getloadavg} function, this macro defines @code{HAVE_GETLOADAVG},
and adds to @code{LIBS} any libraries needed to get that function.
@defmac AC_REPLACE_FUNCS (@var{function-name}@dots{})
@maindex REPLACE_FUNCS
+@mvindex LIBOBJS
For each given @var{function-name} in the whitespace-separated argument
list that is not in the C library, add @samp{@var{function-name}.o} to
the value of the @code{make} variable @code{LIBOBJS}. If the functions
@defmac AC_STRUCT_ST_BLOCKS
@maindex STRUCT_ST_BLOCKS
@cvindex HAVE_ST_BLOCKS
+@mvindex LIBOBJS
If @code{struct stat} contains an @code{st_blocks} member, define
@code{HAVE_ST_BLOCKS}. Otherwise, add @samp{fileblocks.o} to the
@code{make} variable @code{LIBOBJS}.
@defmac AC_PATH_XTRA
@maindex PATH_XTRA
+@mvindex X_CFLAGS
+@mvindex X_LIBS
+@mvindex X_EXTRA_LIBS
An enhanced version of @code{AC_PATH_X}. Put the C compiler flags that
X needs into @code{make} variable @code{X_CFLAGS}, and the X linker
flags into @code{X_LIBS}. If X is not available, put
@defmac AC_OS_ISC
@maindex OS_ISC
@cvindex _POSIX_SOURCE
+@mvindex CC
If on a POSIXized ISC UNIX, define @code{_POSIX_SOURCE} and add
@samp{-posix} (for the GNU C compiler) or @samp{-Xp} (for other C
compilers) to @code{make} variable @code{CC}. This allows the use of
@defmac AC_OS_SCO
@maindex OS_SCO
+@mvindex LIBS
If on SCO UNIX, add @samp{-lintl} to @code{make} variable @code{LIBS}.
Used to get @code{strftime}. It must be called before checking for
@code{strftime}.
@defmac AC_OS_XENIX
@maindex OS_XENIX
+@mvindex LIBS
If on Xenix, add @samp{-lx} to @code{make} variable @code{LIBS}. Also,
if @file{sys/ndir.h} is not being used, add @samp{-ldir} to @code{LIBS}.
Needed when using the directory reading functions. This macro calls
@defmac AC_SUBST_FILE (@var{variable})
@maindex SUBST_FILE
Substitute the contents of the file named by shell variable
-@var{variable} into @file{Makefile} variable @var{variable} when
+@var{variable} into @code{make} variable @var{variable} when
creating the output files (typically one or more @file{Makefile}s).
This macro is useful for inserting @file{Makefile} fragments containing
special dependencies or other @code{make} directives for particular host
information are:
@table @code
+@mvindex build
+@mvindex host
+@mvindex target
@item @code{build}, @code{host}, @code{target}
the canonical system names;
@item @code{build_alias}, @code{host_alias}, @code{target_alias}
+@mvindex build_alias
+@mvindex host_alias
+@mvindex target_alias
the names the user specified, or the canonical names if
@code{config.guess} was used;
@item @code{build_cpu}, @code{build_vendor}, @code{build_os}
@itemx @code{host_cpu}, @code{host_vendor}, @code{host_os}
@itemx @code{target_cpu}, @code{target_vendor}, @code{target_os}
+@mvindex build_cpu
+@mvindex host_cpu
+@mvindex target_cpu
+@mvindex build_vendor
+@mvindex host_vendor
+@mvindex target_vendor
+@mvindex build_os
+@mvindex host_os
+@mvindex target_os
the individual parts of the canonical names (for convenience).
@end table
GNU Coding Standards}, for more information on what to put in Makefiles.
@menu
-* Predefined Variables:: Heavily used @code{make} variables.
+* Predefined Variables:: @code{make} variables that are always set.
* VPATH Substitutions:: Compiling in a different directory.
* Automatic Remaking:: Makefile rules for configuring.
@end menu
which are mentioned in the descriptions for those macros.
@defvar exec_prefix
+@mvindex exec_prefix
The installation prefix for architecture-specific files.
@end defvar
@defvar prefix
+@mvindex prefix
The installation prefix for architecture-independent files.
@end defvar
@defvar srcdir
+@mvindex srcdir
The directory that contains the source code for that @file{Makefile}.
@end defvar
@defvar top_srcdir
+@mvindex top_srcdir
The top-level source code directory for the package. In the top-level
directory, this is the same as @code{srcdir}.
@end defvar
@defvar CFLAGS
+@mvindex CFLAGS
Debugging and optimization options for the C compiler. If it is not set
in the environment when @code{configure} runs, the default value is set
when you call @code{AC_PROG_CC} (or empty if you don't). @code{configure}
@end defvar
@defvar CPPFLAGS
+@mvindex CPPFLAGS
Header file search directory (@samp{-I@var{dir}}) and any other
miscellaneous options for the C preprocessor and compiler. If it is not
set in the environment when @code{configure} runs, the default value is
@end defvar
@defvar CXXFLAGS
+@mvindex CXXFLAGS
Debugging and optimization options for the C++ compiler. If it is not
set in the environment when @code{configure} runs, the default value is
set when you call @code{AC_PROG_CXX} (or empty if you don't).
@end defvar
@defvar DEFS
+@mvindex DEFS
@samp{-D} options to pass to the C compiler. If @code{AC_CONFIG_HEADER}
is called, @code{configure} replaces @samp{@@DEFS@@} with
@samp{-DHAVE_CONFIG_H} instead. This variable is not defined while
@end defvar
@defvar LDFLAGS
+@mvindex LDFLAGS
Stripping (@samp{-s}) and any other miscellaneous options for the
linker. If it is not set in the environment when @code{configure} runs,
the default value is empty. @code{configure} uses this variable when
@end defvar
@defvar LIBS
+@mvindex LIBS
@samp{-l} and @samp{-L} options to pass to the linker.
@end defvar
-@defvar LIBOBJS
-Names of object files (ending in @file{.o}). Set by
-@code{AC_REPLACE_FUNCS} (@pxref{Generic Functions}).
-@end defvar
-
@node VPATH Substitutions, Automatic Remaking, Predefined Variables, Makefiles
@section @code{VPATH} Substitutions
@code{AC_DECL_YYTEXT}
@end table
-@node Environment Variable Index, Preprocessor Symbol Index, Old Macro Names, Top
+@node Environment Variable Index, Make Variable Index, Old Macro Names, Top
@unnumbered Environment Variable Index
This is an alphabetical list of the environment variables that Autoconf
@printindex ev
-@node Preprocessor Symbol Index, Macro Index, Environment Variable Index, Top
+@node Make Variable Index, Preprocessor Symbol Index, Environment Variable Index, Top
+@unnumbered @code{make} Variable Index
+
+This is an alphabetical list of the variables that Autoconf can
+substitute into files that it creates, typically one or more
+@file{Makefile}s. @xref{Setting Variables}, for more information on how
+this is done.
+
+@printindex mv
+
+@node Preprocessor Symbol Index, Macro Index, Make Variable Index, Top
@unnumbered Preprocessor Symbol Index
This is an alphabetical list of the C preprocessor symbols that the
by the Foundation.
@end titlepage
+@c Define an environment variable index.
+@defcodeindex ev
+@c Define a Makefile variable index.
+@defcodeindex mv
+@c Define a CPP variable index.
+@defcodeindex cv
@c Define a macro index that @@defmac doesn't write to.
@defcodeindex ma
-@c Define a CPP variable index that @@defvar doesn't write to.
-@defcodeindex cv
-@c Define an environment variable index that @@defvar doesn't write to.
-@defcodeindex ev
@node Top, Introduction, , (dir)
@comment node-name, next, previous, up
* History:: History of Autoconf.
* Old Macro Names:: Backward compatibility macros.
* Environment Variable Index:: Index of environment variables used.
+* Make Variable Index:: Index of @code{make} variables set.
* Preprocessor Symbol Index:: Index of C preprocessor symbols defined.
* Macro Index:: Index of Autoconf macros.
Makefiles
-* Predefined Variables:: Heavily used @code{make} variables.
+* Predefined Variables:: @code{make} variables that are always set.
* VPATH Substitutions:: Compiling in a different directory.
* Automatic Remaking:: Makefile rules for configuring.
@defmac AC_CONFIG_SUBDIRS (@var{dir} @dots{})
@maindex CONFIG_SUBDIRS
+@mvindex subdirs
Run @code{configure} in each subdirectory @var{dir} in the given
whitespace-separated list. If a given @var{dir} is not found, no error
is reported, so a @code{configure} script can configure whichever parts
@defmac AC_ARG_PROGRAM
@maindex ARG_PROGRAM
-Place in @file{Makefile} variable @code{program_transform_name} a
+@mvindex program_transform_name
+Place in @code{make} variable @code{program_transform_name} a
sequence of @code{sed} commands for changing the names of installed
programs.
@defmac AC_PROG_AWK
@maindex PROG_AWK
+@mvindex AWK
Check for @code{mawk}, @code{gawk}, @code{nawk}, and @code{awk}, in that
order, and set @code{make} variable @code{AWK} to the first one that it
finds.
@defmac AC_PROG_CC
@maindex PROG_CC
+@mvindex CC
+@mvindex CFLAGS
Determine a C compiler to use. If @code{CC} is not already set in the
environment, check for @code{gcc}, and use @code{cc} if it's not found.
Set @code{make} variable @code{CC} to the name of the compiler found.
@defmac AC_PROG_CPP
@maindex PROG_CPP
+@mvindex CPP
Set shell and @code{make} variable @code{CPP} to a command that runs the
C preprocessor. If @samp{$CC -E} doesn't work, it uses @file{/lib/cpp}.
It is only portable to run @code{CPP} on files with a @file{.c}
@defmac AC_PROG_CXX
@maindex PROG_CXX
+@mvindex CXX
+@mvindex CXXFLAGS
Determine a C++ compiler to use. Check if the environment variable
@code{CXX} or @code{CCC} (in that order) is set; if so, set @code{make}
variable @code{CXX} to its value. Otherwise search for a C++ compiler
@defmac AC_PROG_CXXCPP
@maindex PROG_CXXCPP
+@mvindex CXXCPP
Set shell and @code{make} variable @code{CXXCPP} to a command that runs the
C++ preprocessor. If @samp{$CXX -E} doesn't work, it uses @file{/lib/cpp}.
It is only portable to run @code{CXXCPP} on files with a @file{.c},
@defmac AC_PROG_GCC_TRADITIONAL
@maindex PROG_GCC_TRADITIONAL
+@mvindex CC
Add @samp{-traditional} to @code{make} variable @code{CC} if using the
GNU C compiler and @code{ioctl} does not work properly without
@samp{-traditional}. That usually happens when the fixed header files
@defmac AC_PROG_INSTALL
@maindex PROG_INSTALL
+@mvindex INSTALL
+@mvindex INSTALL_PROGRAM
+@mvindex INSTALL_DATA
Set @code{make} variable @code{INSTALL} to the path of a BSD compatible
@code{install} program, if one is found in the current @code{PATH}.
Otherwise, set @code{INSTALL} to @samp{@var{dir}/install.sh -c}, where
@defmac AC_PROG_LEX
@maindex PROG_LEX
+@mvindex LEX
+@mvindex LEXLIB
If @code{flex} is found, set @code{make} variable @code{LEX} to
@samp{flex} and @code{LEXLIB} to @samp{-lfl}, if that library is in a
standard place. Otherwise set @code{LEX} to @samp{lex} and
@defmac AC_PROG_LN_S
@maindex PROG_LN_S
+@mvindex LN_S
If @samp{ln -s} works on the current filesystem (the operating system
and filesystem support symbolic links), set shell and @code{make}
variable @code{LN_S} to @samp{ln -s}, otherwise set it to @samp{ln}.
@defmac AC_PROG_MAKE_SET
@maindex PROG_MAKE_SET
+@mvindex SET_MAKE
If @code{make} predefines the variable @code{MAKE}, define @code{make}
variable @code{SET_MAKE} to be empty. Otherwise, define @code{SET_MAKE}
to contain @samp{MAKE=make}. Calls @code{AC_SUBST} for @code{SET_MAKE}.
@defmac AC_PROG_RANLIB
@maindex PROG_RANLIB
+@mvindex RANLIB
Set @code{make} variable @code{RANLIB} to @samp{ranlib} if @code{ranlib}
is found, otherwise to @samp{:} (do nothing).
@end defmac
@defmac AC_PROG_YACC
@maindex PROG_YACC
+@mvindex YACC
If @code{bison} is found, set @code{make} variable @code{YACC} to
@samp{bison -y}. Otherwise, if @code{byacc} is found, set @code{YACC}
to @samp{byacc}. Otherwise set @code{YACC} to @samp{yacc}.
@maindex FUNC_ALLOCA
@cvindex C_ALLOCA
@cvindex HAVE_ALLOCA_H
+@mvindex ALLOCA
Check how to get @code{alloca}. Tries to get a builtin version by
checking for @file{alloca.h} or the predefined C preprocessor macros
@code{__GNUC__} and @code{_AIX}. If this macro finds @file{alloca.h},
@cvindex NLIST_NAME_UNION
@cvindex GETLODAVG_PRIVILEGED
@cvindex NEED_SETGID
+@mvindex LIBOBJS
+@mvindex NEED_SETGID
+@mvindex KMEM_GROUP
Check how to get the system load averages. If the system has the
@code{getloadavg} function, this macro defines @code{HAVE_GETLOADAVG},
and adds to @code{LIBS} any libraries needed to get that function.
@defmac AC_REPLACE_FUNCS (@var{function-name}@dots{})
@maindex REPLACE_FUNCS
+@mvindex LIBOBJS
For each given @var{function-name} in the whitespace-separated argument
list that is not in the C library, add @samp{@var{function-name}.o} to
the value of the @code{make} variable @code{LIBOBJS}. If the functions
@defmac AC_STRUCT_ST_BLOCKS
@maindex STRUCT_ST_BLOCKS
@cvindex HAVE_ST_BLOCKS
+@mvindex LIBOBJS
If @code{struct stat} contains an @code{st_blocks} member, define
@code{HAVE_ST_BLOCKS}. Otherwise, add @samp{fileblocks.o} to the
@code{make} variable @code{LIBOBJS}.
@defmac AC_PATH_XTRA
@maindex PATH_XTRA
+@mvindex X_CFLAGS
+@mvindex X_LIBS
+@mvindex X_EXTRA_LIBS
An enhanced version of @code{AC_PATH_X}. Put the C compiler flags that
X needs into @code{make} variable @code{X_CFLAGS}, and the X linker
flags into @code{X_LIBS}. If X is not available, put
@defmac AC_OS_ISC
@maindex OS_ISC
@cvindex _POSIX_SOURCE
+@mvindex CC
If on a POSIXized ISC UNIX, define @code{_POSIX_SOURCE} and add
@samp{-posix} (for the GNU C compiler) or @samp{-Xp} (for other C
compilers) to @code{make} variable @code{CC}. This allows the use of
@defmac AC_OS_SCO
@maindex OS_SCO
+@mvindex LIBS
If on SCO UNIX, add @samp{-lintl} to @code{make} variable @code{LIBS}.
Used to get @code{strftime}. It must be called before checking for
@code{strftime}.
@defmac AC_OS_XENIX
@maindex OS_XENIX
+@mvindex LIBS
If on Xenix, add @samp{-lx} to @code{make} variable @code{LIBS}. Also,
if @file{sys/ndir.h} is not being used, add @samp{-ldir} to @code{LIBS}.
Needed when using the directory reading functions. This macro calls
@defmac AC_SUBST_FILE (@var{variable})
@maindex SUBST_FILE
Substitute the contents of the file named by shell variable
-@var{variable} into @file{Makefile} variable @var{variable} when
+@var{variable} into @code{make} variable @var{variable} when
creating the output files (typically one or more @file{Makefile}s).
This macro is useful for inserting @file{Makefile} fragments containing
special dependencies or other @code{make} directives for particular host
information are:
@table @code
+@mvindex build
+@mvindex host
+@mvindex target
@item @code{build}, @code{host}, @code{target}
the canonical system names;
@item @code{build_alias}, @code{host_alias}, @code{target_alias}
+@mvindex build_alias
+@mvindex host_alias
+@mvindex target_alias
the names the user specified, or the canonical names if
@code{config.guess} was used;
@item @code{build_cpu}, @code{build_vendor}, @code{build_os}
@itemx @code{host_cpu}, @code{host_vendor}, @code{host_os}
@itemx @code{target_cpu}, @code{target_vendor}, @code{target_os}
+@mvindex build_cpu
+@mvindex host_cpu
+@mvindex target_cpu
+@mvindex build_vendor
+@mvindex host_vendor
+@mvindex target_vendor
+@mvindex build_os
+@mvindex host_os
+@mvindex target_os
the individual parts of the canonical names (for convenience).
@end table
GNU Coding Standards}, for more information on what to put in Makefiles.
@menu
-* Predefined Variables:: Heavily used @code{make} variables.
+* Predefined Variables:: @code{make} variables that are always set.
* VPATH Substitutions:: Compiling in a different directory.
* Automatic Remaking:: Makefile rules for configuring.
@end menu
which are mentioned in the descriptions for those macros.
@defvar exec_prefix
+@mvindex exec_prefix
The installation prefix for architecture-specific files.
@end defvar
@defvar prefix
+@mvindex prefix
The installation prefix for architecture-independent files.
@end defvar
@defvar srcdir
+@mvindex srcdir
The directory that contains the source code for that @file{Makefile}.
@end defvar
@defvar top_srcdir
+@mvindex top_srcdir
The top-level source code directory for the package. In the top-level
directory, this is the same as @code{srcdir}.
@end defvar
@defvar CFLAGS
+@mvindex CFLAGS
Debugging and optimization options for the C compiler. If it is not set
in the environment when @code{configure} runs, the default value is set
when you call @code{AC_PROG_CC} (or empty if you don't). @code{configure}
@end defvar
@defvar CPPFLAGS
+@mvindex CPPFLAGS
Header file search directory (@samp{-I@var{dir}}) and any other
miscellaneous options for the C preprocessor and compiler. If it is not
set in the environment when @code{configure} runs, the default value is
@end defvar
@defvar CXXFLAGS
+@mvindex CXXFLAGS
Debugging and optimization options for the C++ compiler. If it is not
set in the environment when @code{configure} runs, the default value is
set when you call @code{AC_PROG_CXX} (or empty if you don't).
@end defvar
@defvar DEFS
+@mvindex DEFS
@samp{-D} options to pass to the C compiler. If @code{AC_CONFIG_HEADER}
is called, @code{configure} replaces @samp{@@DEFS@@} with
@samp{-DHAVE_CONFIG_H} instead. This variable is not defined while
@end defvar
@defvar LDFLAGS
+@mvindex LDFLAGS
Stripping (@samp{-s}) and any other miscellaneous options for the
linker. If it is not set in the environment when @code{configure} runs,
the default value is empty. @code{configure} uses this variable when
@end defvar
@defvar LIBS
+@mvindex LIBS
@samp{-l} and @samp{-L} options to pass to the linker.
@end defvar
-@defvar LIBOBJS
-Names of object files (ending in @file{.o}). Set by
-@code{AC_REPLACE_FUNCS} (@pxref{Generic Functions}).
-@end defvar
-
@node VPATH Substitutions, Automatic Remaking, Predefined Variables, Makefiles
@section @code{VPATH} Substitutions
@code{AC_DECL_YYTEXT}
@end table
-@node Environment Variable Index, Preprocessor Symbol Index, Old Macro Names, Top
+@node Environment Variable Index, Make Variable Index, Old Macro Names, Top
@unnumbered Environment Variable Index
This is an alphabetical list of the environment variables that Autoconf
@printindex ev
-@node Preprocessor Symbol Index, Macro Index, Environment Variable Index, Top
+@node Make Variable Index, Preprocessor Symbol Index, Environment Variable Index, Top
+@unnumbered @code{make} Variable Index
+
+This is an alphabetical list of the variables that Autoconf can
+substitute into files that it creates, typically one or more
+@file{Makefile}s. @xref{Setting Variables}, for more information on how
+this is done.
+
+@printindex mv
+
+@node Preprocessor Symbol Index, Macro Index, Make Variable Index, Top
@unnumbered Preprocessor Symbol Index
This is an alphabetical list of the C preprocessor symbols that the
projects / thirdparty / autoconf.git / commitdiff
