## ------------------------- ##
## 1. Sanitizing the shell. ##
## ------------------------- ##
-
-
-# AS_REQUIRE(NAME-TO-CHECK, [BODY-TO-EXPAND = NAME-TO-CHECK],
-# [DIVERSION = M4SH-INIT])
-# -----------------------------------------------------------
-# BODY-TO-EXPAND is some initialization which must be expanded in the
-# given diversion when expanded (required or not). This is very
-# different from m4_require. For instance:
-#
-# m4_defun([_FOO_PREPARE], [foo=foo])
-# m4_defun([FOO],
-# [m4_require([_FOO_PREPARE])dnl
-# echo $foo])
-#
-# m4_defun([_BAR_PREPARE], [bar=bar])
-# m4_defun([BAR],
-# [AS_REQUIRE([_BAR_PREPARE])dnl
-# echo $bar])
-#
-# AS_INIT
-# foo1=`FOO`
-# foo2=`FOO`
-# bar1=`BAR`
-# bar2=`BAR`
-#
-# gives
-#
-# #! /bin/sh
-# bar=bar
-#
-# foo1=`foo=foo
-# echo $foo`
-# foo2=`echo $foo`
-# bar1=`echo $bar`
-# bar2=`echo $bar`
-#
-# Due to the simple implementation, all the AS_REQUIRE calls have to be at
-# the very beginning of the macro body, or the AS_REQUIREs may not be nested.
-# More exactly, if a macro doesn't have all AS_REQUIREs at its beginning,
-# it may not be AS_REQUIREd.
-#
-m4_define([AS_REQUIRE],
-[m4_provide_if([$1], [],
- [m4_divert_text(m4_default_quoted([$3], [M4SH-INIT]),
- [m4_default([$2], [$1])])])])
-
-
-# AS_REQUIRE_SHELL_FN(NAME-TO-CHECK, BODY-TO-EXPAND,
-# [DIVERSION = M4SH-INIT-FN])
-# --------------------------------------------------
-# BODY-TO-EXPAND is the body of a shell function to be emitted in the
-# given diversion when expanded (required or not). Unlike other
-# xx_REQUIRE macros, BODY-TO-EXPAND is mandatory.
-#
-m4_define([AS_REQUIRE_SHELL_FN],
-[_AS_DETECT_REQUIRED([_AS_SHELL_FN_WORK])dnl
-AS_REQUIRE([AS_SHELL_FN_$1], [m4_provide([AS_SHELL_FN_$1])$1() {
-$2
-}], m4_default_quoted([$3], [M4SH-INIT-FN]))])
-
+# Please maintain lexicographic sorting of this section, ignoring leading _.
# AS_BOURNE_COMPATIBLE
# --------------------
])
-# _AS_RUN(TEST, [SHELL])
-# ----------------------
-# Run TEST under the current shell (if one parameter is used)
-# or under the given SHELL, protecting it from syntax errors.
-m4_define([_AS_RUN],
-[m4_ifval([$2],
-[{ $2 <<\_ASEOF
-_AS_BOURNE_COMPATIBLE
-$1
-_ASEOF
-}],
-[(eval "AS_ESCAPE(m4_expand([$1]))")])])
+# AS_COPYRIGHT(TEXT)
+# ------------------
+# Emit TEXT, a copyright notice, as a shell comment near the top of the
+# script. TEXT is evaluated once; to accomplish that, we do not prepend
+# `# ' but `@%:@ '.
+m4_define([AS_COPYRIGHT],
+[m4_divert_text([HEADER-COPYRIGHT],
+[m4_bpatsubst([
+$1], [^], [@%:@ ])])])
# _AS_DETECT_REQUIRED(TEST)
])])])# _AS_DETECT_BETTER_SHELL
+# _AS_PREPARE
+# -----------
+# This macro has a very special status. Normal use of M4sh relies
+# heavily on AS_REQUIRE, so that needed initializations (such as
+# _AS_TEST_PREPARE) are performed on need, not on demand. But
+# Autoconf is the first client of M4sh, and for two reasons: configure
+# and config.status. Relying on AS_REQUIRE is of course fine for
+# configure, but fails for config.status (which is created by
+# configure). So we need a means to force the inclusion of the
+# various _AS_PREPARE_* on top of config.status. That's basically why
+# there are so many _AS_PREPARE_* below, and that's also why it is
+# important not to forget some: config.status needs them.
+m4_defun([_AS_PREPARE],
+[_AS_LINENO_PREPARE
+
+_AS_DIRNAME_PREPARE
+_AS_ECHO_N_PREPARE[]dnl We do not need this ourselves but user code might.
+_AS_EXPR_PREPARE
+_AS_LN_S_PREPARE
+_AS_MKDIR_P_PREPARE
+_AS_TEST_PREPARE
+_AS_TR_CPP_PREPARE
+_AS_TR_SH_PREPARE
+])
+
+
+# AS_PREPARE
+# ----------
+# Output all the M4sh possible initialization into the initialization
+# diversion.
+m4_defun([AS_PREPARE],
+[m4_divert_text([M4SH-INIT], [_AS_PREPARE])])
+
+
+# AS_REQUIRE(NAME-TO-CHECK, [BODY-TO-EXPAND = NAME-TO-CHECK],
+# [DIVERSION = M4SH-INIT])
+# -----------------------------------------------------------
+# BODY-TO-EXPAND is some initialization which must be expanded in the
+# given diversion when expanded (required or not). This is very
+# different from m4_require. For instance:
+#
+# m4_defun([_FOO_PREPARE], [foo=foo])
+# m4_defun([FOO],
+# [m4_require([_FOO_PREPARE])dnl
+# echo $foo])
+#
+# m4_defun([_BAR_PREPARE], [bar=bar])
+# m4_defun([BAR],
+# [AS_REQUIRE([_BAR_PREPARE])dnl
+# echo $bar])
+#
+# AS_INIT
+# foo1=`FOO`
+# foo2=`FOO`
+# bar1=`BAR`
+# bar2=`BAR`
+#
+# gives
+#
+# #! /bin/sh
+# bar=bar
+#
+# foo1=`foo=foo
+# echo $foo`
+# foo2=`echo $foo`
+# bar1=`echo $bar`
+# bar2=`echo $bar`
+#
+# Due to the simple implementation, all the AS_REQUIRE calls have to be at
+# the very beginning of the macro body, or the AS_REQUIREs may not be nested.
+# More exactly, if a macro doesn't have all AS_REQUIREs at its beginning,
+# it may not be AS_REQUIREd.
+#
+m4_define([AS_REQUIRE],
+[m4_provide_if([$1], [],
+ [m4_divert_text(m4_default_quoted([$3], [M4SH-INIT]),
+ [m4_default([$2], [$1])])])])
+
+
+# AS_REQUIRE_SHELL_FN(NAME-TO-CHECK, BODY-TO-EXPAND,
+# [DIVERSION = M4SH-INIT-FN])
+# --------------------------------------------------
+# BODY-TO-EXPAND is the body of a shell function to be emitted in the
+# given diversion when expanded (required or not). Unlike other
+# xx_REQUIRE macros, BODY-TO-EXPAND is mandatory.
+#
+m4_define([AS_REQUIRE_SHELL_FN],
+[_AS_DETECT_REQUIRED([_AS_SHELL_FN_WORK])dnl
+AS_REQUIRE([AS_SHELL_FN_$1], [m4_provide([AS_SHELL_FN_$1])$1() {
+$2
+}], m4_default_quoted([$3], [M4SH-INIT-FN]))])
+
+
+# _AS_RUN(TEST, [SHELL])
+# ----------------------
+# Run TEST under the current shell (if one parameter is used)
+# or under the given SHELL, protecting it from syntax errors.
+m4_define([_AS_RUN],
+[m4_ifval([$2],
+[{ $2 <<\_ASEOF
+_AS_BOURNE_COMPATIBLE
+$1
+_ASEOF
+}],
+[(eval "AS_ESCAPE(m4_expand([$1]))")])])
+
+
# _AS_SHELL_FN_WORK
# -----------------
# This is a spy to detect "in the wild" shells that do not support shell
])# _AS_SHELL_FN_WORK
-# AS_COPYRIGHT(TEXT)
-# ------------------
-# Emit TEXT, a copyright notice, as a shell comment near the top of the
-# script. TEXT is evaluated once; to accomplish that, we do not prepend
-# `# ' but `@%:@ '.
-m4_define([AS_COPYRIGHT],
-[m4_divert_text([HEADER-COPYRIGHT],
-[m4_bpatsubst([
-$1], [^], [@%:@ ])])])
-
-
# AS_SHELL_SANITIZE
# -----------------
m4_defun([AS_SHELL_SANITIZE],
])# AS_SHELL_SANITIZE
-# _AS_PREPARE
-# -----------
-# This macro has a very special status. Normal use of M4sh relies
-# heavily on AS_REQUIRE, so that needed initializations (such as
-# _AS_TEST_PREPARE) are performed on need, not on demand. But
-# Autoconf is the first client of M4sh, and for two reasons: configure
-# and config.status. Relying on AS_REQUIRE is of course fine for
-# configure, but fails for config.status (which is created by
-# configure). So we need a means to force the inclusion of the
-# various _AS_PREPARE_* on top of config.status. That's basically why
-# there are so many _AS_PREPARE_* below, and that's also why it is
-# important not to forget some: config.status needs them.
-m4_defun([_AS_PREPARE],
-[_AS_LINENO_PREPARE
-
-_AS_DIRNAME_PREPARE
-_AS_ECHO_N_PREPARE[]dnl We do not need this ourselves but user code might.
-_AS_EXPR_PREPARE
-_AS_LN_S_PREPARE
-_AS_MKDIR_P_PREPARE
-_AS_TEST_PREPARE
-_AS_TR_CPP_PREPARE
-_AS_TR_SH_PREPARE
-])
-
-
-# AS_PREPARE
-# ----------
-# Output all the M4sh possible initialization into the initialization
-# diversion.
-m4_defun([AS_PREPARE],
-[m4_divert_text([M4SH-INIT], [_AS_PREPARE])])
-
-
## ----------------------------- ##
## 2. Wrappers around builtins. ##
## ----------------------------- ##
projects / thirdparty / autoconf.git / commitdiff
