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m4: add API documentation

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This commit is contained in:
Max Kellermann 2015-03-19 17:19:11 +01:00
parent 3f4908c363
commit 63d04645c7
1 changed files with 18 additions and 0 deletions
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18
m4/mpd_auto.m4
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@ -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],