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Diffstat (limited to 'm4/man-bdb.m4')
| -rw-r--r-- | m4/man-bdb.m4 | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/m4/man-bdb.m4 b/m4/man-bdb.m4 new file mode 100644 index 0000000..5e237bc --- /dev/null +++ b/m4/man-bdb.m4 @@ -0,0 +1,52 @@ +# man-bdb.m4 serial 4 +dnl MAN_CHECK_BDB(WITH-DB, HEADERS, LIBS, [ACTION-IF-FOUND]) +dnl Helper to check Berkeley DB linkage when particular header files and +dnl libraries are included. ACTION-IF-FOUND may contain $head and $lib. +dnl Contributed by Duncan Simpson <dps@io.stargate.co.uk> and hacked into a +dnl macro by Colin Watson. + +AC_DEFUN([MAN_CHECK_BDB], [dnl +man_bdb_requested=no +for trydb in $1 +do + if test "$db" = "$trydb" + then + man_bdb_requested=yes + fi +done +if test "$db" = no || test "$man_bdb_requested" = yes +then + for head in $2 + do + AC_CHECK_HEADERS([$head], [got=yes], [got=no]) + if test "$got" = "yes" + then + for lib in $3 + do + AS_VAR_PUSHDEF([man_tr_bdb], [man_cv_bdb_header_${head}_lib_${lib}])dnl + man_saved_LIBS="$LIBS" + LIBS="$LIBS -l$lib" + AC_CACHE_CHECK([for dbopen from <${head}> in -l${lib}], man_tr_bdb, + [AC_TRY_LINK([#include <$head>], [dbopen("foo", 0, 0, 0, (void *) 0)], + [AS_VAR_SET([man_tr_bdb], [yes])], + [AS_VAR_SET([man_tr_bdb], [no])]) + ]) + AS_VAR_IF([man_tr_bdb], [yes], + [$4 + AC_DEFINE_UNQUOTED([BDB_H], [<$head>], + [Define if you have, and want to use, Berkeley database header files.]) + AC_DEFINE_UNQUOTED([BTREE], [1], + [Define if you have, and want to use, the Berkeley database library.]) + AC_SUBST([DBTYPE], [btree]) + DBLIBS="-l$lib" + db=yes], + [db=no]) + LIBS="$man_saved_LIBS" + AS_VAR_POPDEF([man_tr_bdb])dnl + test "$db" = "yes" && break + done + fi + test "$db" = "yes" && break + done +fi[]dnl +])# MAN_CHECK_BDB |