bookmarkfs/m4/bookmarkfs_ac.m4
2024-12-31 18:09:03 +08:00

88 lines
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Text

dnl
dnl Copyright (C) 2024 CismonX <admin@cismon.net>
dnl
dnl Copying and distribution of this file, with or without modification,
dnl are permitted in any medium without royalty,
dnl provided the copyright notice and this notice are preserved.
dnl This file is offered as-is, without any warranty.
dnl
dnl
dnl BOOKMARKFS_FEAT(feature, default-value, description,
dnl [action-if-enabled], [action-if-disabled])
dnl
dnl Provides an option to enable or disable a feature.
dnl
AC_DEFUN([BOOKMARKFS_FEAT], [
m4_pushdef([arg_action_], m4_if([$2], [no], [enable], [disable]))
m4_pushdef([feat_name_], m4_translit([$1], [-], [_]))
AC_MSG_CHECKING(m4_normalize([if $3 is enabled]))
AC_ARG_ENABLE([$1], m4_normalize([
AS_HELP_STRING([--]arg_action_[-$1], arg_action_ [$3])
]), , [
AS_VAR_SET([enable_]feat_name_, [$2])
])
AS_VAR_IF([enable_]feat_name_, [no], [
AC_MSG_RESULT([no])
$5
], [
AC_MSG_RESULT([yes])
$4
])
AS_VAR_SET([desc_]feat_name_, ["$3"])
m4_popdef([arg_action_])
m4_popdef([feat_name_])
])
dnl
dnl BOOKMARKFS_DEP(pkg-name, version, pkg-desc, [action-if-found],
dnl [required-by-features]...)
dnl
dnl Checks if a package exists with `pkg-config', and provides option for
dnl the config script to specify the package's custom install location.
dnl
AC_DEFUN([BOOKMARKFS_DEP], [
m4_pushdef([with_var_], [with_]m4_translit([$1], [-], [_]))
AC_ARG_WITH([$1], m4_normalize([
AS_HELP_STRING([--with-$1[[=PKGCONFIGDIR]]],
[pkg-config search path for $3])
]), , [
AS_VAR_SET([with_var_], [no])
m4_foreach([feat_name_], [m4_shiftn(4, $@)], [
AS_VAR_IF([enable_]m4_translit(feat_name_, [-], [_]), [yes], [
AS_VAR_SET([with_var_], [yes])
])
])
])
AS_VAR_IF([with_var_], [no], [
m4_foreach([feat_name_], [m4_shiftn(4, $@)], [
AS_VAR_IF([enable_]m4_translit(feat_name_, [-], [_]), [yes], [
AC_MSG_ERROR(m4_normalize([
Bad option `[--without-]feat_name_'. The $3 is mandatory
for AS_VAR_GET([desc_]m4_translit(feat_name_, [-], [_])).
]))
])
])
], [
AS_VAR_SET([SAVED_PKG_CONFIG_PATH_], ["${PKG_CONFIG_PATH}"])
AS_VAR_IF([with_var_], [yes], , [
AS_VAR_SET([PKG_CONFIG_PATH], ["${with_$1}:${PKG_CONFIG_PATH}"])
])
export PKG_CONFIG_PATH
PKG_CHECK_MODULES(m4_toupper([$1]), [$1 $2], [$4])
AS_VAR_SET([PKG_CONFIG_PATH], ["${SAVED_PKG_CONFIG_PATH_}"])
])
m4_popdef([with_var_])
])
dnl
dnl BOOKMARKFS_AMCOND([features]...)
dnl
dnl Export feature flags to Automake makefiles.
dnl
AC_DEFUN([BOOKMARKFS_AMCOND], [
m4_foreach([feat_name_], [$@], [
AM_CONDITIONAL(m4_translit(feat_name_, [-a-z], [_A-Z]),
[test x$][{enable_]m4_translit(feat_name_, [-], [_])[} != xno])
])
])