* acspecific.m4: Likewise.
+2000-03-02 Akim Demaille <akim@epita.fr>
+
+ * acgeneral.m4: Formatting changes.
+ * acspecific.m4: Likewise.
+
2000-03-01 Akim Demaille <akim@epita.fr>
The empty regexp cannot be portably used in egrep's alternation.
## --------------------- ##
-# AC_SHELL_IFELSE(TEST[, IF-TRUE[, IF-FALSE]])
-# -------------------------------------------
+# AC_SHELL_IFELSE(TEST, [IF-TRUE], [IF-FALSE])
+# --------------------------------------------
# Expand into
# | if TEST; then
# | IF-TRUE
## ----------------------------------- ##
-# AC_HELP_STRING(LHS, RHS[, COLUMN])
+# AC_HELP_STRING(LHS, RHS, [COLUMN])
# ----------------------------------
#
# Format an Autoconf macro's help string so that it looks pretty when
## ----------------------------- ##
-# AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
-# -----------------------------------------------------------------------
+# AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE, [ACTION-IF-FALSE])
+# ----------------------------------------------------------------------
AC_DEFUN(AC_ARG_ENABLE,
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
ac_arg_enable_help="$ac_arg_enable_help
## ------------------------------ ##
-# AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
-# ---------------------------------------------------------------------
+# AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE, [ACTION-IF-FALSE])
+# --------------------------------------------------------------------
AC_DEFUN(AC_ARG_WITH,
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
ac_arg_with_help="$ac_arg_with_help
-## -------------------------------------- ##
-## Remembering env vars for reconfiguring ##
-## -------------------------------------- ##
+## ---------------------------------------- ##
+## Remembering env vars for reconfiguring. ##
+## ---------------------------------------- ##
# AC_ARG_VAR(VARNAME, DOCUMENTATION)
# AC_REVISION(REVISION-INFO)
+# --------------------------
AC_DEFUN(AC_REVISION,
[AC_REQUIRE([AC_INIT_BINSH])dnl
AC_DIVERT_PUSH(AC_DIVERSION_BINSH)dnl
AC_DIVERT_POP()dnl to KILL
])
-# Subroutines of AC_PREREQ.
# _AC_VERSION_UNLETTER(VERSION)
# -----------------------------
abcdefghijklmnopqrstuvwxyz,
12345678901234567890123456)])
+
# _AC_VERSION_COMPARE(VERSION-1, VERSION-2)
# -----------------------------------------
# Compare the two version numbers and expand into
[m4_list_cmp((m4_split(_AC_VERSION_UNLETTER([$1]), [\.])),
(m4_split(_AC_VERSION_UNLETTER([$2]), [\.])))])
+
# AC_PREREQ(VERSION)
# ------------------
# Complain and exit if the Autoconf version is less than VERSION.
[AC_WARNING([backquotes should not be backslashed in: $1])dnl
[$1]])])
-# _AC_ECHO_UNQUOTED(STRING [ , FD ])
+
+# _AC_ECHO_UNQUOTED(STRING, [FD])
+# -------------------------------
# Expands into a sh call to echo onto FD (default is AC_FD_MSG).
# The shell performs its expansions on STRING.
define([_AC_ECHO_UNQUOTED],
[echo "[$1]" 1>&ifelse($2,, AC_FD_MSG, $2)])
-# _AC_ECHO(STRING [ , FD ])
+
+# _AC_ECHO(STRING, [FD])
+# ----------------------
# Expands into a sh call to echo onto FD (default is AC_FD_MSG),
# protecting STRING from backquote expansion.
define([_AC_ECHO],
[_AC_ECHO_UNQUOTED(_AC_SH_QUOTE([$1]), $2)])
-# _AC_ECHO_N(STRING [ , FD ])
+
+# _AC_ECHO_N(STRING, [FD])
+# ------------------------
# Same as _AC_ECHO, but echo doesn't return to a new line.
define(_AC_ECHO_N,
[echo $ECHO_N "_AC_SH_QUOTE($1)$ECHO_C" 1>&ifelse($2,,AC_FD_MSG,$2)])
+
# AC_MSG_CHECKING(FEATURE-DESCRIPTION)
+# ------------------------------------
define(AC_MSG_CHECKING,
[_AC_ECHO_N([checking $1... ])
_AC_ECHO([configure:__oline__: checking $1], AC_FD_CC)])
+
# AC_CHECKING(FEATURE-DESCRIPTION)
+# --------------------------------
define(AC_CHECKING,
[_AC_ECHO([checking $1])
_AC_ECHO([configure:__oline__: checking $1], AC_FD_CC)])
+
# AC_MSG_RESULT(RESULT-DESCRIPTION)
+# ---------------------------------
define(AC_MSG_RESULT,
[_AC_ECHO([$ECHO_T""$1])])
+
# AC_MSG_RESULT_UNQUOTED(RESULT-DESCRIPTION)
+# ------------------------------------------
# Likewise, but perform $ ` \ shell substitutions.
define(AC_MSG_RESULT_UNQUOTED,
[_AC_ECHO_UNQUOTED([$ECHO_T""$1])])
+
# AC_VERBOSE(RESULT-DESCRIPTION)
+# ------------------------------
define(AC_VERBOSE,
[AC_OBSOLETE([$0], [; instead use AC_MSG_RESULT])dnl
_AC_ECHO([ $1])])
+
# AC_MSG_WARN(PROBLEM-DESCRIPTION)
+# --------------------------------
define(AC_MSG_WARN,
[_AC_ECHO([configure: warning: $1], 2)])
+
# AC_MSG_ERROR(ERROR-DESCRIPTION, [EXIT-STATUS])
+# ----------------------------------------------
define(AC_MSG_ERROR,
[{ _AC_ECHO([configure: error: $1], 2); exit m4_default([$2], 1); }])
+
# AC_MSG_ERROR_UNQUOTED(ERROR-DESCRIPTION, [EXIT-STATUS])
+# -------------------------------------------------------
define(AC_MSG_ERROR_UNQUOTED,
[{ _AC_ECHO_UNQUOTED([configure: error: $1], 2); exit m4_default([$2], 1); }])
+
+
## --------------------------------------------- ##
## Selecting which language to use for testing. ##
## --------------------------------------------- ##
define(AC_LANG_CASE,
[m4_case(AC_LANG, $@)])
+
# AC_LANG_C
# ---------
AC_DEFUN(AC_LANG_C,
cross_compiling=$ac_cv_prog_cc_cross
])
+
# AC_LANG_CPLUSPLUS
# -----------------
AC_DEFUN(AC_LANG_CPLUSPLUS,
cross_compiling=$ac_cv_prog_cxx_cross
])
+
# AC_LANG_FORTRAN77
# -----------------
AC_DEFUN(AC_LANG_FORTRAN77,
popdef([AC_LANG_STACK])])
+
+
## ---------------------------- ##
## Compiler-running mechanics. ##
## ---------------------------- ##
])])
+
+
+
## -------------------------- ##
## Generic structure checks. ##
## -------------------------- ##
+
# AC_CHECK_MEMBER(AGGREGATE.MEMBER,
# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
# [INCLUDES])
])# AC_CHECK_PROG
-# AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND
-# [, PATH]])
-# -----------------------------------------------------------------
+# AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
+# [PATH])
+# ------------------------------------------------------------------
AC_DEFUN(AC_CHECK_PROGS,
[for ac_prog in $2
do
])])
-# AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND [, PATH]])
-# -------------------------------------------------------------------------
+# AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
+# -----------------------------------------------------------------------
AC_DEFUN(AC_PATH_PROG,
[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
])# AC_PATH_PROG
-# AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND
-# [, PATH]])
-# ----------------------------------------------------------------
+# AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
+# [PATH])
+# -----------------------------------------------------------------
AC_DEFUN(AC_PATH_PROGS,
[for ac_prog in $2
do
-## ------------------------------------- ##
-## Checks for compiler characteristics. ##
-## ------------------------------------- ##
+## --------------------------------------- ##
+## Checks for C compiler characteristics. ##
+## --------------------------------------- ##
AC_DEFUN(AC_C_CROSS,
else
AC_TRY_RUN(
[int
-main()
+main ()
{
/* The Stardent Vistra knows sizeof(long double), but does not
support it. */
])])
+
## -------------------------------------- ##
## Checks for operating system services. ##
## -------------------------------------- ##
## --------------------- ##
-# AC_SHELL_IFELSE(TEST[, IF-TRUE[, IF-FALSE]])
-# -------------------------------------------
+# AC_SHELL_IFELSE(TEST, [IF-TRUE], [IF-FALSE])
+# --------------------------------------------
# Expand into
# | if TEST; then
# | IF-TRUE
## ----------------------------------- ##
-# AC_HELP_STRING(LHS, RHS[, COLUMN])
+# AC_HELP_STRING(LHS, RHS, [COLUMN])
# ----------------------------------
#
# Format an Autoconf macro's help string so that it looks pretty when
## ----------------------------- ##
-# AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
-# -----------------------------------------------------------------------
+# AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE, [ACTION-IF-FALSE])
+# ----------------------------------------------------------------------
AC_DEFUN(AC_ARG_ENABLE,
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
ac_arg_enable_help="$ac_arg_enable_help
## ------------------------------ ##
-# AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
-# ---------------------------------------------------------------------
+# AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE, [ACTION-IF-FALSE])
+# --------------------------------------------------------------------
AC_DEFUN(AC_ARG_WITH,
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
ac_arg_with_help="$ac_arg_with_help
-## -------------------------------------- ##
-## Remembering env vars for reconfiguring ##
-## -------------------------------------- ##
+## ---------------------------------------- ##
+## Remembering env vars for reconfiguring. ##
+## ---------------------------------------- ##
# AC_ARG_VAR(VARNAME, DOCUMENTATION)
# AC_REVISION(REVISION-INFO)
+# --------------------------
AC_DEFUN(AC_REVISION,
[AC_REQUIRE([AC_INIT_BINSH])dnl
AC_DIVERT_PUSH(AC_DIVERSION_BINSH)dnl
AC_DIVERT_POP()dnl to KILL
])
-# Subroutines of AC_PREREQ.
# _AC_VERSION_UNLETTER(VERSION)
# -----------------------------
abcdefghijklmnopqrstuvwxyz,
12345678901234567890123456)])
+
# _AC_VERSION_COMPARE(VERSION-1, VERSION-2)
# -----------------------------------------
# Compare the two version numbers and expand into
[m4_list_cmp((m4_split(_AC_VERSION_UNLETTER([$1]), [\.])),
(m4_split(_AC_VERSION_UNLETTER([$2]), [\.])))])
+
# AC_PREREQ(VERSION)
# ------------------
# Complain and exit if the Autoconf version is less than VERSION.
[AC_WARNING([backquotes should not be backslashed in: $1])dnl
[$1]])])
-# _AC_ECHO_UNQUOTED(STRING [ , FD ])
+
+# _AC_ECHO_UNQUOTED(STRING, [FD])
+# -------------------------------
# Expands into a sh call to echo onto FD (default is AC_FD_MSG).
# The shell performs its expansions on STRING.
define([_AC_ECHO_UNQUOTED],
[echo "[$1]" 1>&ifelse($2,, AC_FD_MSG, $2)])
-# _AC_ECHO(STRING [ , FD ])
+
+# _AC_ECHO(STRING, [FD])
+# ----------------------
# Expands into a sh call to echo onto FD (default is AC_FD_MSG),
# protecting STRING from backquote expansion.
define([_AC_ECHO],
[_AC_ECHO_UNQUOTED(_AC_SH_QUOTE([$1]), $2)])
-# _AC_ECHO_N(STRING [ , FD ])
+
+# _AC_ECHO_N(STRING, [FD])
+# ------------------------
# Same as _AC_ECHO, but echo doesn't return to a new line.
define(_AC_ECHO_N,
[echo $ECHO_N "_AC_SH_QUOTE($1)$ECHO_C" 1>&ifelse($2,,AC_FD_MSG,$2)])
+
# AC_MSG_CHECKING(FEATURE-DESCRIPTION)
+# ------------------------------------
define(AC_MSG_CHECKING,
[_AC_ECHO_N([checking $1... ])
_AC_ECHO([configure:__oline__: checking $1], AC_FD_CC)])
+
# AC_CHECKING(FEATURE-DESCRIPTION)
+# --------------------------------
define(AC_CHECKING,
[_AC_ECHO([checking $1])
_AC_ECHO([configure:__oline__: checking $1], AC_FD_CC)])
+
# AC_MSG_RESULT(RESULT-DESCRIPTION)
+# ---------------------------------
define(AC_MSG_RESULT,
[_AC_ECHO([$ECHO_T""$1])])
+
# AC_MSG_RESULT_UNQUOTED(RESULT-DESCRIPTION)
+# ------------------------------------------
# Likewise, but perform $ ` \ shell substitutions.
define(AC_MSG_RESULT_UNQUOTED,
[_AC_ECHO_UNQUOTED([$ECHO_T""$1])])
+
# AC_VERBOSE(RESULT-DESCRIPTION)
+# ------------------------------
define(AC_VERBOSE,
[AC_OBSOLETE([$0], [; instead use AC_MSG_RESULT])dnl
_AC_ECHO([ $1])])
+
# AC_MSG_WARN(PROBLEM-DESCRIPTION)
+# --------------------------------
define(AC_MSG_WARN,
[_AC_ECHO([configure: warning: $1], 2)])
+
# AC_MSG_ERROR(ERROR-DESCRIPTION, [EXIT-STATUS])
+# ----------------------------------------------
define(AC_MSG_ERROR,
[{ _AC_ECHO([configure: error: $1], 2); exit m4_default([$2], 1); }])
+
# AC_MSG_ERROR_UNQUOTED(ERROR-DESCRIPTION, [EXIT-STATUS])
+# -------------------------------------------------------
define(AC_MSG_ERROR_UNQUOTED,
[{ _AC_ECHO_UNQUOTED([configure: error: $1], 2); exit m4_default([$2], 1); }])
+
+
## --------------------------------------------- ##
## Selecting which language to use for testing. ##
## --------------------------------------------- ##
define(AC_LANG_CASE,
[m4_case(AC_LANG, $@)])
+
# AC_LANG_C
# ---------
AC_DEFUN(AC_LANG_C,
cross_compiling=$ac_cv_prog_cc_cross
])
+
# AC_LANG_CPLUSPLUS
# -----------------
AC_DEFUN(AC_LANG_CPLUSPLUS,
cross_compiling=$ac_cv_prog_cxx_cross
])
+
# AC_LANG_FORTRAN77
# -----------------
AC_DEFUN(AC_LANG_FORTRAN77,
popdef([AC_LANG_STACK])])
+
+
## ---------------------------- ##
## Compiler-running mechanics. ##
## ---------------------------- ##
])])
+
+
+
## -------------------------- ##
## Generic structure checks. ##
## -------------------------- ##
+
# AC_CHECK_MEMBER(AGGREGATE.MEMBER,
# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
# [INCLUDES])
])# AC_CHECK_PROG
-# AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND
-# [, PATH]])
-# -----------------------------------------------------------------
+# AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
+# [PATH])
+# ------------------------------------------------------------------
AC_DEFUN(AC_CHECK_PROGS,
[for ac_prog in $2
do
])])
-# AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND [, PATH]])
-# -------------------------------------------------------------------------
+# AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
+# -----------------------------------------------------------------------
AC_DEFUN(AC_PATH_PROG,
[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
])# AC_PATH_PROG
-# AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND
-# [, PATH]])
-# ----------------------------------------------------------------
+# AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
+# [PATH])
+# -----------------------------------------------------------------
AC_DEFUN(AC_PATH_PROGS,
[for ac_prog in $2
do
-## ------------------------------------- ##
-## Checks for compiler characteristics. ##
-## ------------------------------------- ##
+## --------------------------------------- ##
+## Checks for C compiler characteristics. ##
+## --------------------------------------- ##
AC_DEFUN(AC_C_CROSS,
else
AC_TRY_RUN(
[int
-main()
+main ()
{
/* The Stardent Vistra knows sizeof(long double), but does not
support it. */
])])
+
## -------------------------------------- ##
## Checks for operating system services. ##
## -------------------------------------- ##
projects / thirdparty / autoconf.git / commitdiff
