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Diffstat (limited to 'm4/man-bdb.m4')
| -rw-r--r-- | m4/man-bdb.m4 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/m4/man-bdb.m4 b/m4/man-bdb.m4 new file mode 100644 index 0000000..5c44d1c --- /dev/null +++ b/m4/man-bdb.m4 @@ -0,0 +1,61 @@ +# man-bdb.m4 serial 6 +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. +dnl Contributed by Duncan Simpson <dps@io.stargate.co.uk> and hacked into a +dnl macro by Colin Watson. + +AC_DEFUN([_MAN_CHECK_BDB_HEADER_LIB], [dnl + if test "$db" != yes + then + AS_VAR_PUSHDEF([man_tr_bdb], [man_cv_bdb_header_$1_lib_$2])dnl + man_saved_LIBS="$LIBS" + LIBS="$LIBS -l$2" + AC_CACHE_CHECK([for dbopen from <$1> in -l$2], man_tr_bdb, + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <$1>]], + [[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], + [$3 + AC_DEFINE_UNQUOTED([BDB_H], [<$1>], + [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$2" + db=yes], + [db=no]) + LIBS="$man_saved_LIBS" + AS_VAR_POPDEF([man_tr_bdb])dnl + fi +]) + +AC_DEFUN([_MAN_CHECK_BDB_HEADER], [dnl + if test "$db" != yes + then + AC_CHECK_HEADERS([$1], [got=yes], [got=no]) + if test "$got" = "yes" + then + m4_map_args_w([$2], [_MAN_CHECK_BDB_HEADER_LIB([$1], ], [, [$3])]) + fi + fi +]) + +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 + m4_map_args_w([$2], [_MAN_CHECK_BDB_HEADER(], [, [$3], [$4])]) + fi[]dnl +])# MAN_CHECK_BDB |