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

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better, since it's also used when linking.  Similarly for
CXXFLAGS etc.
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Paul Eggert 2006-07-20 17:09:10 +00:00
parent 9a2033f027
commit f2b54ad2d0
2 changed files with 20 additions and 14 deletions
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@ -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>
* lib/autoconf/libs.m4 (AC_PATH_XTRA): Do the check for space

28
doc/autoconf.texi
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@ -2228,7 +2228,7 @@ precious variables (@pxref{Setting Output Variables},
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
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
@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
miscellaneous options for the C and C++ preprocessors and compilers. If
it is not set in the environment when @command{configure} runs, the default
value is empty. @command{configure} uses this variable when compiling or
preprocessing programs to test for C and C++ features.
value is empty. @command{configure} uses this variable when preprocessing,
compiling, or linking programs to test for C and C++ features.
@xref{Special Chars in Variables}, for limitations that @code{CPPFLAGS}
might run into.
@end defvar
@ -2266,8 +2266,8 @@ might run into.
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 when you call @code{AC_PROG_CXX} (or empty if you don't).
@command{configure} uses this variable when compiling programs to test for
C++ features.
@command{configure} uses this variable when compiling or linking
programs to test for C++ features.
@end defvar
@defvar DEFS
@ -2305,8 +2305,8 @@ want to use it.
@ovindex ERLCFLAGS
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.
@command{configure} uses this variable when compiling programs to test for
Erlang features.
@command{configure} uses this variable when compiling or linking
programs to test for Erlang features.
@end defvar
@defvar FCFLAGS
@ -2314,8 +2314,8 @@ Erlang features.
Debugging and optimization options for the Fortran compiler. If it
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).
@command{configure} uses this variable when compiling programs to test for
Fortran features.
@command{configure} uses this variable when compiling or linking
programs to test for Fortran features.
@end defvar
@defvar FFLAGS
@ -2323,8 +2323,8 @@ Fortran features.
Debugging and optimization options for the Fortran 77 compiler. If it
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).
@command{configure} uses this variable when compiling programs to test for
Fortran 77 features.
@command{configure} uses this variable when compiling or linking
programs to test for Fortran 77 features.
@end defvar
@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
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).
@command{configure} uses this variable when compiling programs to test for
Objective C features.
@command{configure} uses this variable when compiling or linking
programs to test for Objective C features.
@end defvar
@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
(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
(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
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