1 files changed, 48 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/misc/automake/builder.sh b/nixpkgs/pkgs/development/tools/misc/automake/builder.sh
new file mode 100644
index 000000000000..0cb1d5d61e33
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/misc/automake/builder.sh
@@ -0,0 +1,48 @@
+if [ -e .attrs.sh ]; then source .attrs.sh; fi
+source $stdenv/setup
+
+# Wrap the given `aclocal' program, appending extra `-I' flags
+# corresponding to the directories listed in $ACLOCAL_PATH.  (Note
+# that `wrapProgram' can't be used for that purpose since it can only
+# prepend flags, not append them.)
+wrapAclocal() {
+    local program="$1"
+    local wrapped="$(dirname $program)/.$(basename $program)-wrapped"
+
+    mv "$program" "$wrapped"
+    cat > "$program"<<EOF
+#! $SHELL -e
+
+unset extraFlagsArray
+declare -a extraFlagsArray
+
+oldIFS=\$IFS
+IFS=:
+for dir in \$ACLOCAL_PATH; do
+    if test -n "\$dir" -a -d "\$dir"; then
+        extraFlagsArray=("\${extraFlagsArray[@]}" "-I" "\$dir")
+    fi
+done
+IFS=\$oldIFS
+
+exec "$wrapped" "\$@" "\${extraFlagsArray[@]}"
+EOF
+    chmod +x "$program"
+}
+
+postInstall() {
+    # Create a wrapper around `aclocal' that converts every element in
+    # `ACLOCAL_PATH' into a `-I dir' option.  This way `aclocal'
+    # becomes modular; M4 macros do not need to be stored in a single
+    # global directory, while callers of `aclocal' do not need to pass
+    # `-I' options explicitly.
+
+    for prog in $out/bin/aclocal*; do
+        wrapAclocal "$prog"
+    done
+
+    ln -s aclocal-1.11 $out/share/aclocal
+    ln -s automake-1.11 $out/share/automake
+}
+
+genericBuild