X-Git-Url: https://git.draconx.ca/gitweb/dxcommon.git/blobdiff_plain/ac1292661f52ce20168bb942ad207f5b935669ef..1688bad1e5dc89cacf33bc426c92a4abf2bc0647:/m4/linguas.m4

diff --git a/m4/linguas.m4 b/m4/linguas.m4
index 2ae8a9d..c6ad973 100644
--- a/m4/linguas.m4
+++ b/m4/linguas.m4
@@ -1,4 +1,4 @@
-dnl Copyright © 2011 Nick Bowler
+dnl Copyright © 2011, 2021 Nick Bowler
 dnl
 dnl Computes the set of .po and .mo files based on the LINGUAS environment
 dnl variable.  The variable POFILES is set to the complete list of .po files,
@@ -10,42 +10,49 @@ dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
 dnl This is free software: you are free to do what the fuck you want to.
 dnl There is NO WARRANTY, to the extent permitted by law.
 
-AC_DEFUN([DX_LINGUAS], [dnl
-AC_REQUIRE([AM_GNU_GETTEXT])
+AC_DEFUN([DX_LINGUAS],
+[AC_REQUIRE([AM_GNU_GETTEXT])dnl
 
 POFILES=
 MOFILES=
 
 if test -f "$srcdir/po/LINGUAS"; then
-	ALL_LINGUAS=`sed 's/#.*$//' "$srcdir/po/LINGUAS"`
-
-	: ${LINGUAS=all}
-	if test x"$LINGUAS" != x"all"; then
-		# Replicate la_CC-style codes as la.
-		LINGUAS=`printf '%s\n' "$LINGUAS" \
-			| [sed 's/\([^_[:space:]]*\)_[^[:space:]]*/& \1/g']`
-
-		printf '%s\n' $ALL_LINGUAS | sort > conftest.LINGUAS
-		LINGUAS=`printf '%s\n' $LINGUAS | sort \
-			| join - conftest.LINGUAS`
-	else
-		LINGUAS=$ALL_LINGUAS
-	fi
-
-	# Note: $srcdir is not used here because these variables are for make.
-	set x $ALL_LINGUAS; shift
-	case ${#} in
-	0) ;;
-	*) POFILES=`printf "po/%s.po\n" "${@}"` ;;
-	esac
-
-	if test x"$USE_NLS" = x"yes"; then
-		set x $LINGUAS; shift
-		case ${#} in
-		0) ;;
-		*) MOFILES=`printf "po/%s.mo\n" "${@}"` ;;
-		esac
-	fi
+  awk '{ sub(/#.*$/, "")
+    for (i = 1; i <= NF; i++) {
+      print $(i)
+    }
+  }' "$srcdir/po/LINGUAS" | sort -u >conftest.all
+
+  : "${LINGUAS=all}"
+  if test x"$LINGUAS" = x"all"; then
+    cp conftest.all conftest.ena
+  else
+    :; {
+      for arg in $LINGUAS; do
+        # Ensure that if "la_CC"-style code is requested then so is plain "la".
+        printf '%s\n' "$arg"
+        case $arg in
+        *_*) printf '%s\n' "${arg%%_*}" ;;
+        esac
+      done
+    } | sort -u >conftest.ena
+  fi
+
+  exec 3<conftest.all
+  while read x <&3; do
+    AS_VAR_APPEND([POFILES], ["${POFILES:+ }po/$x.po"])
+  done
+
+  if test x"$USE_NLS" = x"yes"; then
+    join conftest.ena conftest.all >conftest.out
+    exec 3<conftest.out
+    while read x <&3; do
+      AS_VAR_APPEND([MOFILES], ["${MOFILES:+ }po/$x.mo"])
+    done
+  fi
+
+  exec 3<&-
+  rm -f conftest.all conftest.ena conftest.out
 fi
 
 AC_SUBST([POFILES])