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| author | Max Kellermann <max@duempel.org> | 2015-03-19 17:19:11 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2015-03-19 17:19:11 +0100 |
| commit | 63d04645c765f694788ab12e26cf98164776a4e3 (patch) | |
| tree | 13e9291b14be9932d4265f9aa167fa22e5433fa0 /m4/mpd_auto.m4 | |
| parent | 3f4908c3635055f16b6a00ff5ff962b0ac7efc28 (diff) | |
m4: add API documentation
Diffstat (limited to 'm4/mpd_auto.m4')
| -rw-r--r-- | m4/mpd_auto.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/m4/mpd_auto.m4 b/m4/mpd_auto.m4 index a57ee2d5a..bcc4c9845 100644 --- a/m4/mpd_auto.m4 +++ b/m4/mpd_auto.m4 @@ -1,3 +1,4 @@ +dnl Parameters: varname1, description AC_DEFUN([MPD_AUTO_ENABLED], [ if test x$[]enable_$1 = xauto; then AC_MSG_NOTICE([auto-detected $2]) @@ -5,6 +6,7 @@ AC_DEFUN([MPD_AUTO_ENABLED], [ fi ]) +dnl Parameters: varname1, description, errmsg AC_DEFUN([MPD_AUTO_DISABLED], [ if test x$[]enable_$1 = xauto; then AC_MSG_WARN([$3 -- disabling $2]) @@ -23,6 +25,10 @@ AC_DEFUN([MPD_AUTO_PRE], [ fi ]) +dnl Evaluate a check's result. Abort if the feature was requested +dnl explicitly but is unavailable. +dnl +dnl Parameters: varname1, description, errmsg AC_DEFUN([MPD_AUTO_RESULT], [ if test x$[]enable_$1 = xno; then found_$1=no @@ -35,6 +41,9 @@ AC_DEFUN([MPD_AUTO_RESULT], [ fi ]) +dnl Invoke a check if its configuration is "yes" or "auto" and call +dnl MPD_AUTO_RESULT. +dnl dnl Parameters: varname1, description, errmsg, check AC_DEFUN([MPD_AUTO], [ if test x$[]enable_$1 != xno; then @@ -43,6 +52,9 @@ AC_DEFUN([MPD_AUTO], [ MPD_AUTO_RESULT([$1], [$2], [$3]) ]) +dnl Wrapper for MPD_AUTO and PKG_CHECK_MODULES. +dnl +dnl Parameters: varname1, varname2, pkgname, description, errmsg AC_DEFUN([MPD_AUTO_PKG], [ MPD_AUTO([$1], [$4], [$5], [PKG_CHECK_MODULES([$2], [$3], @@ -77,6 +89,12 @@ AC_DEFUN([MPD_AUTO_LIB], [ [$5])]) ]) +dnl Convert the given string into a string for the "default value" in +dnl the help text. If the string is a literal, then it is returned +dnl as-is; if it contains a variable reference, just "auto" is +dnl emitted. +dnl +dnl Parameters: varname1 AC_DEFUN([MPD_FORMAT_DEFAULT], [ifelse([$1], [], [auto], index([$1], [$]), [-1], [$1], |