diff options
Diffstat (limited to 'm4.include/mc-check-search-type.m4')
| -rw-r--r-- | m4.include/mc-check-search-type.m4 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/m4.include/mc-check-search-type.m4 b/m4.include/mc-check-search-type.m4 new file mode 100644 index 0000000..21d4cb4 --- /dev/null +++ b/m4.include/mc-check-search-type.m4 @@ -0,0 +1,64 @@ +dnl @synopsis mc_CHECK_SEARCH_TYPE +dnl +dnl Check search type in mc. Currently used glib-regexp or pcre +dnl +dnl @author Slava Zanko <slavazanko@gmail.com> +dnl @author Andrew Borodin <aborodin@vmail.ru> +dnl @version 2023-03-22 +dnl @license GPL +dnl @copyright Free Software Foundation, Inc. + +AC_DEFUN([mc_CHECK_SEARCH_TYPE_PCRE],[ + AX_PATH_LIB_PCRE + + if test x"${PCRE_LIBS}" = x; then + AC_MSG_ERROR([$1]) + fi + + SEARCH_TYPE="pcre" +]) + +AC_DEFUN([mc_CHECK_SEARCH_TYPE_PCRE2],[ + AX_CHECK_PCRE2([8], [], [:]) + + if test $pcre2_cv_libpcre2 = yes; then + SEARCH_TYPE="pcre2" + else + dnl pcre2 not found -- try pcre + AC_MSG_WARN([Cannot find pcre2 library, trying pcre one...]) + mc_CHECK_SEARCH_TYPE_PCRE([$1]) + fi +]) + + +AC_DEFUN([mc_CHECK_SEARCH_TYPE],[ + + AC_ARG_WITH([search-engine], + AS_HELP_STRING([--with-search-engine=type], + [Select low-level search engine @<:@glib|pcre|pcre2@:>@]) + ) + + case x$with_search_engine in + xglib) + SEARCH_TYPE="glib-regexp" + ;; + xpcre) + mc_CHECK_SEARCH_TYPE_PCRE([Cannot find pcre library]) + ;; + xpcre2) + mc_CHECK_SEARCH_TYPE_PCRE2([Neither pcre2 nor pcre library found!]) + ;; + x) + SEARCH_TYPE="glib-regexp" + ;; + *) + AC_MSG_ERROR([Value of the search-engine is incorrect]) + ;; + esac + + if test x"$SEARCH_TYPE" = x"glib-regexp"; then + AC_DEFINE(SEARCH_TYPE_GLIB, 1, [Define to select 'glib-regexp' search type]) + else + AC_DEFINE(SEARCH_TYPE_PCRE, 1, [Define to select 'pcre2' or 'pcre' search type]) + fi +]) |