mirror/autoconf
2
0
Fork 0
mirror of git://git.sv.gnu.org/autoconf synced 2025-02-05 11:10:57 +08:00
Code Issues Packages Projects Releases Wiki Activity

* doc/autoconf.texi (Preset Output Variables): Document CFLAGS

Browse Source 
better, since it's also used when linking.  Similarly for
CXXFLAGS etc.
This commit is contained in:
Paul Eggert 2006-07-20 17:09:10 +00:00
parent 9a2033f027
commit f2b54ad2d0
2 changed files with 20 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ChangeLog
View File

@ -1,3 +1,9 @@
2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
* doc/autoconf.texi (Preset Output Variables): Document CFLAGS
better, since it's also used when linking. Similarly for
CXXFLAGS etc. Problem reported by Bruno Haible.
2006-07-17 Paul Eggert <eggert@cs.ucla.edu> 2006-07-17 Paul Eggert <eggert@cs.ucla.edu>
* lib/autoconf/libs.m4 (AC_PATH_XTRA): Do the check for space * lib/autoconf/libs.m4 (AC_PATH_XTRA): Do the check for space

28
doc/autoconf.texi
View File

@ -2228,7 +2228,7 @@ precious variables (@pxref{Setting Output Variables},
Debugging and optimization options for the C compiler. If it is not set Debugging and optimization options for the C compiler. If it is not set
in the environment when @command{configure} runs, the default value is set in the environment when @command{configure} runs, the default value is set
when you call @code{AC_PROG_CC} (or empty if you don't). @command{configure} when you call @code{AC_PROG_CC} (or empty if you don't). @command{configure}
uses this variable when compiling programs to test for C features. uses this variable when compiling or linking programs to test for C features.
@end defvar @end defvar
@defvar configure_input @defvar configure_input
@ -2255,8 +2255,8 @@ needs to be processed by @command{configure} in order to be used.
Header file search directory (@option{-I@var{dir}}) and any other Header file search directory (@option{-I@var{dir}}) and any other
miscellaneous options for the C and C++ preprocessors and compilers. If miscellaneous options for the C and C++ preprocessors and compilers. If
it is not set in the environment when @command{configure} runs, the default it is not set in the environment when @command{configure} runs, the default
value is empty. @command{configure} uses this variable when compiling or value is empty. @command{configure} uses this variable when preprocessing,
preprocessing programs to test for C and C++ features. compiling, or linking programs to test for C and C++ features.
@xref{Special Chars in Variables}, for limitations that @code{CPPFLAGS} @xref{Special Chars in Variables}, for limitations that @code{CPPFLAGS}
might run into. might run into.
@end defvar @end defvar
@ -2266,8 +2266,8 @@ might run into.
Debugging and optimization options for the C++ compiler. If it is not Debugging and optimization options for the C++ compiler. If it is not
set in the environment when @command{configure} runs, the default value is set in the environment when @command{configure} runs, the default value is
set when you call @code{AC_PROG_CXX} (or empty if you don't). set when you call @code{AC_PROG_CXX} (or empty if you don't).
@command{configure} uses this variable when compiling programs to test for @command{configure} uses this variable when compiling or linking
C++ features. programs to test for C++ features.
@end defvar @end defvar
@defvar DEFS @defvar DEFS
@ -2305,8 +2305,8 @@ want to use it.
@ovindex ERLCFLAGS @ovindex ERLCFLAGS
Debugging and optimization options for the Erlang compiler. If it is not set Debugging and optimization options for the Erlang compiler. If it is not set
in the environment when @command{configure} runs, the default value is empty. in the environment when @command{configure} runs, the default value is empty.
@command{configure} uses this variable when compiling programs to test for @command{configure} uses this variable when compiling or linking
Erlang features. programs to test for Erlang features.
@end defvar @end defvar
@defvar FCFLAGS @defvar FCFLAGS
@ -2314,8 +2314,8 @@ Erlang features.
Debugging and optimization options for the Fortran compiler. If it Debugging and optimization options for the Fortran compiler. If it
is not set in the environment when @command{configure} runs, the default is not set in the environment when @command{configure} runs, the default
value is set when you call @code{AC_PROG_FC} (or empty if you don't). value is set when you call @code{AC_PROG_FC} (or empty if you don't).
@command{configure} uses this variable when compiling programs to test for @command{configure} uses this variable when compiling or linking
Fortran features. programs to test for Fortran features.
@end defvar @end defvar
@defvar FFLAGS @defvar FFLAGS
@ -2323,8 +2323,8 @@ Fortran features.
Debugging and optimization options for the Fortran 77 compiler. If it Debugging and optimization options for the Fortran 77 compiler. If it
is not set in the environment when @command{configure} runs, the default is not set in the environment when @command{configure} runs, the default
value is set when you call @code{AC_PROG_F77} (or empty if you don't). value is set when you call @code{AC_PROG_F77} (or empty if you don't).
@command{configure} uses this variable when compiling programs to test for @command{configure} uses this variable when compiling or linking
Fortran 77 features. programs to test for Fortran 77 features.
@end defvar @end defvar
@defvar LDFLAGS @defvar LDFLAGS
@ -2351,8 +2351,8 @@ programs to test for C, C++, and Fortran features.
Debugging and optimization options for the Objective C compiler. If it is Debugging and optimization options for the Objective C compiler. If it is
not set in the environment when @command{configure} runs, the default value not set in the environment when @command{configure} runs, the default value
is set when you call @code{AC_PROG_OBJC} (or empty if you don't). is set when you call @code{AC_PROG_OBJC} (or empty if you don't).
@command{configure} uses this variable when compiling programs to test for @command{configure} uses this variable when compiling or linking
Objective C features. programs to test for Objective C features.
@end defvar @end defvar
@defvar builddir @defvar builddir
@ -7979,7 +7979,7 @@ Erlang tests must exit themselves the Erlang VM by calling the @code{halt/1}
function: the given status code is used to determine the success of the test function: the given status code is used to determine the success of the test
(status is @code{0}) or its failure (status is different than @code{0}), as (status is @code{0}) or its failure (status is different than @code{0}), as
explained above. It must be noted that data output through the standard output explained above. It must be noted that data output through the standard output
(e.g. using @code{io:format/2}) may be truncated when halting the VM. (e.g., using @code{io:format/2}) may be truncated when halting the VM.
Therefore, if a test must output configuration information, it is recommended Therefore, if a test must output configuration information, it is recommended
to create and to output data into the temporary file named @file{conftest.out}, to create and to output data into the temporary file named @file{conftest.out},
using the functions of module @code{file}. The @code{conftest.out} file is using the functions of module @code{file}. The @code{conftest.out} file is