* acgeneral.m4: Formatting changes.
+1999-10-31 Akim Demaille <akim@epita.fr>
+
+ * acgeneral.m4: Formatting changes.
+
1999-10-31 Akim Demaille <akim@epita.fr>
* TODO: Updated.
dnl --------------------
dnl Transform EXPRESSION into a valid shell variable name.
dnl sh/m4 polymorphic.
-dnl Make sure to update the definition of `$ac_tr_cpp' if you change this.
+dnl Make sure to update the definition of `$ac_tr_sh' if you change this.
define(AC_TR_SH,
[AC_VAR_IF_INDIR([$1],
[`echo "$1" | $ac_tr_sh`],
dnl ### Getting the canonical system type
+dnl AC_CONFIG_AUX_DIR(DIR)
+dnl ----------------------
dnl Find install-sh, config.sub, config.guess, and Cygnus configure
dnl in directory DIR. These are auxiliary files used in configuration.
dnl DIR can be either absolute or relative to $srcdir.
-dnl AC_CONFIG_AUX_DIR(DIR)
AC_DEFUN(AC_CONFIG_AUX_DIR,
[AC_CONFIG_AUX_DIRS($1 $srcdir/$1)])
AC_DEFUN(AC_CONFIG_AUX_DIR_DEFAULT,
[AC_CONFIG_AUX_DIRS($srcdir $srcdir/.. $srcdir/../..)])
+dnl AC_CONFIG_AUX_DIRS(DIR ...)
+dnl ---------------------------
dnl Internal subroutine.
dnl Search for the configuration auxiliary files in directory list $1.
dnl We look only for install-sh, so users of AC_PROG_INSTALL
dnl do not automatically need to distribute the other auxiliary files.
-dnl AC_CONFIG_AUX_DIRS(DIR ...)
AC_DEFUN(AC_CONFIG_AUX_DIRS,
[ac_aux_dir=
for ac_dir in $1; do
ac_config_sub="$SHELL $ac_aux_dir/config.sub"
ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
-])
+])dnl AC_CONFIG_AUX_DIRS
+
dnl Canonicalize the host, target, and build system types.
AC_DEFUN(AC_CANONICAL_SYSTEM,
dnl specifies something different from ac_cv_$THING_alias on the command line.
dnl AC_CANONICAL_THING(THING)
+dnl -------------------------
AC_DEFUN(AC_CANONICAL_THING,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
esac ;;
esac
-dnl Set the other $1 vars.
+dnl Set the other $[1] vars.
ac_cv_$1=`$ac_config_sub $ac_cv_$1_alias`
ac_cv_$1_cpu=`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\1/'`
ac_cv_$1_vendor=`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\2/'`
AC_SUBST($1_os)dnl
AC_PROVIDE([$0])
-])dnl end of AC_CANONICAL_THING
+])dnl AC_CANONICAL_THING
AC_DEFUN(AC_CANONICAL_HOST, [AC_CANONICAL_THING([host])])
AC_DEFUN(AC_CANONICAL_BUILD, [AC_CANONICAL_THING([build])])
dnl AC_VALIDATE_CACHED_SYSTEM_TUPLE[(cmd)]
+dnl --------------------------------------
dnl if the cache file is inconsistent with the current host,
dnl target and build system types, execute CMD or print a default
dnl error message.
dnl ### Caching test results
+dnl AC_SITE_LOAD
+dnl ------------
dnl Look for site or system specific initialization scripts.
-dnl AC_SITE_LOAD()
define(AC_SITE_LOAD,
[# Prefer explicitly selected file to automatically selected ones.
if test -z "$CONFIG_SITE"; then
done
])
-dnl AC_CACHE_LOAD()
+
+dnl AC_CACHE_LOAD
+dnl -------------
define(AC_CACHE_LOAD,
[if test -r "$cache_file"; then
echo "loading cache $cache_file"
fi
])
+
dnl AC_CACHE_SAVE()
define(AC_CACHE_SAVE,
[cat >confcache <<\EOF
[echo $ac_n "(cached) $ac_c" 1>&AC_FD_MSG],
[$2])])
+
dnl AC_CACHE_CHECK(MESSAGE, CACHE-ID, COMMANDS)
dnl -------------------------------------------
dnl Do not call this macro with a dnl right behind.
])])
+
dnl ### Printing messages at autoconf runtime
dnl _AC_ERRPRINT(MESSAGE)
dnl ### Selecting which language to use for testing
-dnl AC_LANG_C()
+dnl AC_LANG_C
+dnl ---------
AC_DEFUN(AC_LANG_C,
[define([AC_LANG], [C])dnl
ac_ext=c
cross_compiling=$ac_cv_prog_cc_cross
])
-dnl AC_LANG_CPLUSPLUS()
+dnl AC_LANG_CPLUSPLUS
+dnl -----------------
AC_DEFUN(AC_LANG_CPLUSPLUS,
[define([AC_LANG], [CPLUSPLUS])dnl
ac_ext=C
cross_compiling=$ac_cv_prog_cxx_cross
])
-dnl AC_LANG_FORTRAN77()
+dnl AC_LANG_FORTRAN77
+dnl -----------------
AC_DEFUN(AC_LANG_FORTRAN77,
[define([AC_LANG], [FORTRAN77])dnl
ac_ext=f
cross_compiling=$ac_cv_prog_f77_cross
])
+dnl AC_LANG_SAVE
+dnl ------------
dnl Push the current language on a stack.
-dnl AC_LANG_SAVE()
define(AC_LANG_SAVE,
[pushdef([AC_LANG_STACK], AC_LANG)])
+dnl AC_LANG_RESTORE
+dnl ---------------
dnl Restore the current language from the stack.
-dnl AC_LANG_RESTORE()
pushdef([AC_LANG_RESTORE],
[ifelse(AC_LANG_STACK, [C], [AC_LANG_C],dnl
AC_LANG_STACK, [CPLUSPLUS], [AC_LANG_CPLUSPLUS],dnl
dnl ### Compiler-running mechanics
+dnl AC_TRY_EVAL(VARIABLE)
+dnl ---------------------
dnl The purpose of this macro is to "configure:123: command line"
dnl written into config.log for every test run.
-dnl AC_TRY_EVAL(VARIABLE)
AC_DEFUN(AC_TRY_EVAL,
[{ (eval echo configure:__oline__: \"[$]$1\") 1>&AC_FD_CC; dnl
(eval [$]$1) 2>&AC_FD_CC; }])
dnl AC_TRY_COMMAND(COMMAND)
+dnl -----------------------
AC_DEFUN(AC_TRY_COMMAND,
[{ ac_try='$1'; AC_TRY_EVAL(ac_try); }])
dnl AC_BEFORE(THIS-MACRO-NAME, CALLED-MACRO-NAME)
+dnl ---------------------------------------------
define(AC_BEFORE,
[ifdef([AC_PROVIDE_$2], [AC_WARNING([$2 was called before $1])])])
dnl AC_REQUIRE(MACRO-NAME)
+dnl ----------------------
define(AC_REQUIRE,
[ifdef([AC_PROVIDE_$1], ,
[AC_DIVERT_PUSH(m4_eval(AC_DIVERSION_CURRENT - 1))dnl
])])
dnl AC_PROVIDE(MACRO-NAME)
+dnl ----------------------
define(AC_PROVIDE,
[define([AC_PROVIDE_$1], )])
dnl AC_OBSOLETE(THIS-MACRO-NAME [, SUGGESTION])
+dnl -------------------------------------------
define(AC_OBSOLETE,
[AC_WARNING([$1] is obsolete[$2])])
dnl AC_HASBEEN(THIS-MACRO-NAME [, SUGGESTION])
+dnl ------------------------------------------
define(AC_HASBEEN,
[AC_FATAL([$1] is obsolete[$2])])
AC_VAR_POPDEF([ac_Member])dnl
])dnl AC_CHECK_MEMBER
+
dnl AC_CHECK_MEMBER(AGGREGATE.MEMBER...
dnl [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
dnl [, INCLUDES ]]])
fi])
])
+
+dnl AC_PREFIX_PROGRAM(PROGRAM)
+dnl --------------------------
dnl Guess the value for the `prefix' variable by looking for
dnl the argument program along PATH and taking its parent.
dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
$2],
[$3])])])
-dnl [for ac_file in $1
-dnl do
-dnl AC_CHECK_FILE($ac_file,
-dnl [AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_file)) $2],
-dnl [$3])dnl
-dnl done
-dnl ])
-
dnl ### Checking for declared symbols
])
-dnl AC_OUTPUT_FILES(CONFIG_FILES...)
-dnl --------------------------------
+dnl AC_OUTPUT_FILES
+dnl ---------------
dnl Do the variable substitutions to create the Makefiles or whatever.
dnl This is a subroutine of AC_OUTPUT.
dnl
])dnl AC_OUTPUT_FILES
-dnl AC_OUTPUT_HEADERS(HEADER-FILE...)
-dnl ---------------------------------
+dnl AC_OUTPUT_HEADERS
+dnl -----------------
dnl Create the config.h files from the config.h.in files.
dnl This is a subroutine of AC_OUTPUT.
dnl
])dnl AC_OUTPUT_HEADERS
-dnl AC_OUTPUT_LINKS(DEST:SOURCE...)
-dnl -------------------------------
+dnl AC_OUTPUT_LINKS
+dnl ---------------
dnl This is a subroutine of AC_OUTPUT.
dnl
dnl It has to send itself into $CONFIG_STATUS (eg, via here documents).
else
AC_MSG_ERROR(cannot link $ac_dest to $srcdir/$ac_source)
fi
+ifset([AC_LIST_LINKS_COMMANDS],
+[ # Run the commands associated with the file.
+ case "$ac_file" in
+AC_LIST_LINKS_COMMANDS()dnl
+ esac
+])dnl
fi; done
EOF
])dnl AC_OUTPUT_LINKS
dnl --------------------
dnl Transform EXPRESSION into a valid shell variable name.
dnl sh/m4 polymorphic.
-dnl Make sure to update the definition of `$ac_tr_cpp' if you change this.
+dnl Make sure to update the definition of `$ac_tr_sh' if you change this.
define(AC_TR_SH,
[AC_VAR_IF_INDIR([$1],
[`echo "$1" | $ac_tr_sh`],
dnl ### Getting the canonical system type
+dnl AC_CONFIG_AUX_DIR(DIR)
+dnl ----------------------
dnl Find install-sh, config.sub, config.guess, and Cygnus configure
dnl in directory DIR. These are auxiliary files used in configuration.
dnl DIR can be either absolute or relative to $srcdir.
-dnl AC_CONFIG_AUX_DIR(DIR)
AC_DEFUN(AC_CONFIG_AUX_DIR,
[AC_CONFIG_AUX_DIRS($1 $srcdir/$1)])
AC_DEFUN(AC_CONFIG_AUX_DIR_DEFAULT,
[AC_CONFIG_AUX_DIRS($srcdir $srcdir/.. $srcdir/../..)])
+dnl AC_CONFIG_AUX_DIRS(DIR ...)
+dnl ---------------------------
dnl Internal subroutine.
dnl Search for the configuration auxiliary files in directory list $1.
dnl We look only for install-sh, so users of AC_PROG_INSTALL
dnl do not automatically need to distribute the other auxiliary files.
-dnl AC_CONFIG_AUX_DIRS(DIR ...)
AC_DEFUN(AC_CONFIG_AUX_DIRS,
[ac_aux_dir=
for ac_dir in $1; do
ac_config_sub="$SHELL $ac_aux_dir/config.sub"
ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
-])
+])dnl AC_CONFIG_AUX_DIRS
+
dnl Canonicalize the host, target, and build system types.
AC_DEFUN(AC_CANONICAL_SYSTEM,
dnl specifies something different from ac_cv_$THING_alias on the command line.
dnl AC_CANONICAL_THING(THING)
+dnl -------------------------
AC_DEFUN(AC_CANONICAL_THING,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
esac ;;
esac
-dnl Set the other $1 vars.
+dnl Set the other $[1] vars.
ac_cv_$1=`$ac_config_sub $ac_cv_$1_alias`
ac_cv_$1_cpu=`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\1/'`
ac_cv_$1_vendor=`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\2/'`
AC_SUBST($1_os)dnl
AC_PROVIDE([$0])
-])dnl end of AC_CANONICAL_THING
+])dnl AC_CANONICAL_THING
AC_DEFUN(AC_CANONICAL_HOST, [AC_CANONICAL_THING([host])])
AC_DEFUN(AC_CANONICAL_BUILD, [AC_CANONICAL_THING([build])])
dnl AC_VALIDATE_CACHED_SYSTEM_TUPLE[(cmd)]
+dnl --------------------------------------
dnl if the cache file is inconsistent with the current host,
dnl target and build system types, execute CMD or print a default
dnl error message.
dnl ### Caching test results
+dnl AC_SITE_LOAD
+dnl ------------
dnl Look for site or system specific initialization scripts.
-dnl AC_SITE_LOAD()
define(AC_SITE_LOAD,
[# Prefer explicitly selected file to automatically selected ones.
if test -z "$CONFIG_SITE"; then
done
])
-dnl AC_CACHE_LOAD()
+
+dnl AC_CACHE_LOAD
+dnl -------------
define(AC_CACHE_LOAD,
[if test -r "$cache_file"; then
echo "loading cache $cache_file"
fi
])
+
dnl AC_CACHE_SAVE()
define(AC_CACHE_SAVE,
[cat >confcache <<\EOF
[echo $ac_n "(cached) $ac_c" 1>&AC_FD_MSG],
[$2])])
+
dnl AC_CACHE_CHECK(MESSAGE, CACHE-ID, COMMANDS)
dnl -------------------------------------------
dnl Do not call this macro with a dnl right behind.
])])
+
dnl ### Printing messages at autoconf runtime
dnl _AC_ERRPRINT(MESSAGE)
dnl ### Selecting which language to use for testing
-dnl AC_LANG_C()
+dnl AC_LANG_C
+dnl ---------
AC_DEFUN(AC_LANG_C,
[define([AC_LANG], [C])dnl
ac_ext=c
cross_compiling=$ac_cv_prog_cc_cross
])
-dnl AC_LANG_CPLUSPLUS()
+dnl AC_LANG_CPLUSPLUS
+dnl -----------------
AC_DEFUN(AC_LANG_CPLUSPLUS,
[define([AC_LANG], [CPLUSPLUS])dnl
ac_ext=C
cross_compiling=$ac_cv_prog_cxx_cross
])
-dnl AC_LANG_FORTRAN77()
+dnl AC_LANG_FORTRAN77
+dnl -----------------
AC_DEFUN(AC_LANG_FORTRAN77,
[define([AC_LANG], [FORTRAN77])dnl
ac_ext=f
cross_compiling=$ac_cv_prog_f77_cross
])
+dnl AC_LANG_SAVE
+dnl ------------
dnl Push the current language on a stack.
-dnl AC_LANG_SAVE()
define(AC_LANG_SAVE,
[pushdef([AC_LANG_STACK], AC_LANG)])
+dnl AC_LANG_RESTORE
+dnl ---------------
dnl Restore the current language from the stack.
-dnl AC_LANG_RESTORE()
pushdef([AC_LANG_RESTORE],
[ifelse(AC_LANG_STACK, [C], [AC_LANG_C],dnl
AC_LANG_STACK, [CPLUSPLUS], [AC_LANG_CPLUSPLUS],dnl
dnl ### Compiler-running mechanics
+dnl AC_TRY_EVAL(VARIABLE)
+dnl ---------------------
dnl The purpose of this macro is to "configure:123: command line"
dnl written into config.log for every test run.
-dnl AC_TRY_EVAL(VARIABLE)
AC_DEFUN(AC_TRY_EVAL,
[{ (eval echo configure:__oline__: \"[$]$1\") 1>&AC_FD_CC; dnl
(eval [$]$1) 2>&AC_FD_CC; }])
dnl AC_TRY_COMMAND(COMMAND)
+dnl -----------------------
AC_DEFUN(AC_TRY_COMMAND,
[{ ac_try='$1'; AC_TRY_EVAL(ac_try); }])
dnl AC_BEFORE(THIS-MACRO-NAME, CALLED-MACRO-NAME)
+dnl ---------------------------------------------
define(AC_BEFORE,
[ifdef([AC_PROVIDE_$2], [AC_WARNING([$2 was called before $1])])])
dnl AC_REQUIRE(MACRO-NAME)
+dnl ----------------------
define(AC_REQUIRE,
[ifdef([AC_PROVIDE_$1], ,
[AC_DIVERT_PUSH(m4_eval(AC_DIVERSION_CURRENT - 1))dnl
])])
dnl AC_PROVIDE(MACRO-NAME)
+dnl ----------------------
define(AC_PROVIDE,
[define([AC_PROVIDE_$1], )])
dnl AC_OBSOLETE(THIS-MACRO-NAME [, SUGGESTION])
+dnl -------------------------------------------
define(AC_OBSOLETE,
[AC_WARNING([$1] is obsolete[$2])])
dnl AC_HASBEEN(THIS-MACRO-NAME [, SUGGESTION])
+dnl ------------------------------------------
define(AC_HASBEEN,
[AC_FATAL([$1] is obsolete[$2])])
AC_VAR_POPDEF([ac_Member])dnl
])dnl AC_CHECK_MEMBER
+
dnl AC_CHECK_MEMBER(AGGREGATE.MEMBER...
dnl [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
dnl [, INCLUDES ]]])
fi])
])
+
+dnl AC_PREFIX_PROGRAM(PROGRAM)
+dnl --------------------------
dnl Guess the value for the `prefix' variable by looking for
dnl the argument program along PATH and taking its parent.
dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
$2],
[$3])])])
-dnl [for ac_file in $1
-dnl do
-dnl AC_CHECK_FILE($ac_file,
-dnl [AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_file)) $2],
-dnl [$3])dnl
-dnl done
-dnl ])
-
dnl ### Checking for declared symbols
])
-dnl AC_OUTPUT_FILES(CONFIG_FILES...)
-dnl --------------------------------
+dnl AC_OUTPUT_FILES
+dnl ---------------
dnl Do the variable substitutions to create the Makefiles or whatever.
dnl This is a subroutine of AC_OUTPUT.
dnl
])dnl AC_OUTPUT_FILES
-dnl AC_OUTPUT_HEADERS(HEADER-FILE...)
-dnl ---------------------------------
+dnl AC_OUTPUT_HEADERS
+dnl -----------------
dnl Create the config.h files from the config.h.in files.
dnl This is a subroutine of AC_OUTPUT.
dnl
])dnl AC_OUTPUT_HEADERS
-dnl AC_OUTPUT_LINKS(DEST:SOURCE...)
-dnl -------------------------------
+dnl AC_OUTPUT_LINKS
+dnl ---------------
dnl This is a subroutine of AC_OUTPUT.
dnl
dnl It has to send itself into $CONFIG_STATUS (eg, via here documents).
else
AC_MSG_ERROR(cannot link $ac_dest to $srcdir/$ac_source)
fi
+ifset([AC_LIST_LINKS_COMMANDS],
+[ # Run the commands associated with the file.
+ case "$ac_file" in
+AC_LIST_LINKS_COMMANDS()dnl
+ esac
+])dnl
fi; done
EOF
])dnl AC_OUTPUT_LINKS
projects / thirdparty / autoconf.git / commitdiff
