diff options
Diffstat (limited to 'm4/mpd_auto.m4')
| -rw-r--r-- | m4/mpd_auto.m4 | 176 |
1 files changed, 120 insertions, 56 deletions
diff --git a/m4/mpd_auto.m4 b/m4/mpd_auto.m4 index ff922fadc..56957c854 100644 --- a/m4/mpd_auto.m4 +++ b/m4/mpd_auto.m4 @@ -1,23 +1,18 @@ +dnl Parameters: varname1, description AC_DEFUN([MPD_AUTO_ENABLED], [ - var="enable_$1" - feature="$2" - - if eval "test x`echo '$'$var` = xauto"; then - AC_MSG_NOTICE([auto-detected $feature]) - eval "$var=yes" + if test x$[]enable_$1 = xauto; then + AC_MSG_NOTICE([auto-detected $2]) + enable_$1=yes fi ]) +dnl Parameters: varname1, description, errmsg AC_DEFUN([MPD_AUTO_DISABLED], [ - var="enable_$1" - feature="$2" - msg="$3" - - if eval "test x`echo '$'$var` = xauto"; then - AC_MSG_WARN([$msg -- disabling $feature]) - eval "$var=no" - elif eval "test x`echo '$'$var` = xyes"; then - AC_MSG_ERROR([$feature: $msg]) + if test x$[]enable_$1 = xauto; then + AC_MSG_WARN([$3 -- disabling $2]) + enable_$1=no + elif test x$[]enable_$1 = xyes; then + AC_MSG_ERROR([$2: $3]) fi ]) @@ -25,59 +20,59 @@ dnl Check whether a prerequisite for a feature was found. This is dnl very similar to MPD_AUTO_RESULT, but does not finalize the dnl detection; it assumes that more checks will follow. AC_DEFUN([MPD_AUTO_PRE], [ - name="$1" - var="enable_$1" - found="found_$name" - feature="$2" - msg="$3" - - if eval "test x`echo '$'$var` != xno" && eval "test x`echo '$'$found` = xno"; then - MPD_AUTO_DISABLED([$name], [$feature], [$msg]) + if test x$[]enable_$1 != xno && test x$[]found_$1 = xno; then + MPD_AUTO_DISABLED([$1], [$2], [$3]) 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], [ - name="$1" - var="enable_$1" - found="found_$name" - feature="$2" - msg="$3" - - if eval "test x`echo '$'$var` = xno"; then - eval "$found=no" + if test x$[]enable_$1 = xno; then + found_$1=no fi - if eval "test x`echo '$'$found` = xyes"; then - MPD_AUTO_ENABLED([$name], [$feature]) + if test x$[]found_$1 = xyes; then + MPD_AUTO_ENABLED([$1], [$2]) else - MPD_AUTO_DISABLED([$name], [$feature], [$msg]) + MPD_AUTO_DISABLED([$1], [$2], [$3]) fi ]) -AC_DEFUN([MPD_AUTO_PKG], [ - if eval "test x`echo '$'enable_$1` != xno"; then - PKG_CHECK_MODULES([$2], [$3], - [eval "found_$1=yes"], - [eval "found_$1=no"]) +dnl Invoke a check if its configuration is "yes" or "auto" and call +dnl MPD_AUTO_RESULT. +dnl +dnl Parameters: varname1, description, errmsg, check +AC_DEFUN([MPD_AUTO], [ + if test x$[]enable_$1 != xno; then + $4 fi + MPD_AUTO_RESULT([$1], [$2], [$3]) +]) - MPD_AUTO_RESULT([$1], [$4], [$5]) +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], + [found_$1=yes], + [found_$1=no])]) ]) dnl Check with pkg-config first, fall back to AC_CHECK_LIB. dnl dnl Parameters: varname1, varname2, pkgname, libname, symname, libs, cflags, description, errmsg AC_DEFUN([MPD_AUTO_PKG_LIB], [ - if eval "test x`echo '$'enable_$1` != xno"; then - PKG_CHECK_MODULES([$2], [$3], - [eval "found_$1=yes"], + MPD_AUTO([$1], [$8], [$9], + [PKG_CHECK_MODULES([$2], [$3], + [found_$1=yes], AC_CHECK_LIB($4, $5, - [eval "found_$1=yes $2_LIBS='$6' $2_CFLAGS='$7'"], - [eval "found_$1=no"], - [$6])) - fi - - MPD_AUTO_RESULT([$1], [$8], [$9]) + [found_$1=yes $2_LIBS='$6' $2_CFLAGS='$7'], + [found_$1=no], + [$6]))]) ]) dnl Wrapper for AC_CHECK_LIB. @@ -87,12 +82,81 @@ AC_DEFUN([MPD_AUTO_LIB], [ AC_SUBST([$2_LIBS], []) AC_SUBST([$2_CFLAGS], []) - if eval "test x`echo '$'enable_$1` != xno"; then - AC_CHECK_LIB($3, $4, - [eval "found_$1=yes $2_LIBS='$5' $2_CFLAGS='$6'"], - [eval "found_$1=no"], - [$5]) - fi + MPD_AUTO([$1], [$7], [$8], + [AC_CHECK_LIB($3, $4, + [found_$1=yes $2_LIBS='$5' $2_CFLAGS='$6'], + [found_$1=no], + [$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], + [auto])]) + +dnl Wrapper for AC_ARG_ENABLE, AC_DEFINE and AM_CONDITIONAL +dnl +dnl Parameters: varname1, varname2, description, default, check +AC_DEFUN([MPD_ARG_ENABLE], [ + AC_ARG_ENABLE(translit([$1], [_], [-]), + AS_HELP_STRING([--enable-]translit([$1], [_], [-]), + [enable $3 (default: ]MPD_FORMAT_DEFAULT([$4])[)]),, + [enable_$1=]ifelse([$4], [], [auto], [$4])) + + $5 - MPD_AUTO_RESULT([$1], [$7], [$8]) + MPD_DEFINE_CONDITIONAL(enable_$1, ENABLE_$2, [$3]) +]) + +dnl Wrapper for MPD_ARG_ENABLE and MPD_AUTO +dnl +dnl Parameters: varname1, varname2, description, errmsg, default, check +AC_DEFUN([MPD_ENABLE_AUTO], [ + MPD_ARG_ENABLE([$1], [$2], [$3], [$5], [ + MPD_AUTO([$1], [$3], [$4], [$6]) + ]) +]) + +dnl Wrapper for AC_ARG_ENABLE and MPD_AUTO_PKG +dnl +dnl Parameters: varname1, varname2, pkg, description, errmsg, default, pre +AC_DEFUN([MPD_ENABLE_AUTO_PKG], [ + MPD_ARG_ENABLE([$1], [$2], [$4], [$6], [ + $7 + MPD_AUTO_PKG($1, $2, $3, $4, $5) + ]) +]) + +dnl Wrapper for AC_ARG_ENABLE and MPD_AUTO_PKG_LIB +dnl +dnl Parameters: varname1, varname2, pkg, libname, symname, libs, cflags, description, errmsg, default, pre +AC_DEFUN([MPD_ENABLE_AUTO_PKG_LIB], [ + MPD_ARG_ENABLE([$1], [$2], [$8], [$10], [ + $11 + MPD_AUTO_PKG_LIB($1, $2, $3, $4, $5, $6, $7, $8, $9) + ]) +]) + +dnl Wrapper for AC_ARG_ENABLE and MPD_AUTO_LIB +dnl +dnl Parameters: varname1, varname2, libname, symname, libs, cflags, description, errmsg, default, pre +AC_DEFUN([MPD_ENABLE_AUTO_LIB], [ + MPD_ARG_ENABLE([$1], [$2], [$7], [$9], [ + $10 + MPD_AUTO_LIB($1, $2, $3, $4, $5, $6, $7, $8) + ]) +]) + +dnl Wrapper for MPD_ENABLE_AUTO_PKG and MPD_DEPENDS +dnl +dnl Parameters: varname1, varname2, pkg, description, errmsg, default, dep_variable, dep_errmsg +AC_DEFUN([MPD_ENABLE_AUTO_PKG_DEPENDS], [ + MPD_ENABLE_AUTO_PKG([$1], [$2], [$3], [$4], [$5], [$6], + [MPD_DEPENDS([enable_$1], [$7], [$8])]) ]) |