tjh.dev
1# Wrap the given `aclocal' program, appending extra `-I' flags
2# corresponding to the directories listed in $ACLOCAL_PATH. (Note
3# that `wrapProgram' can't be used for that purpose since it can only
4# prepend flags, not append them.)
5wrapAclocal() {
6 local program="$1"
7 local wrapped="$(dirname $program)/.$(basename $program)-wrapped"
8
9 mv "$program" "$wrapped"
10 cat > "$program"<<EOF
11#! $SHELL -e
12
13unset extraFlagsArray
14declare -a extraFlagsArray
15
16oldIFS=\$IFS
17IFS=:
18for dir in \$ACLOCAL_PATH; do
19 if test -n "\$dir" -a -d "\$dir"; then
20 extraFlagsArray=("\${extraFlagsArray[@]}" "-I" "\$dir")
21 fi
22done
23IFS=\$oldIFS
24
25exec "$wrapped" "\$@" "\${extraFlagsArray[@]}"
26EOF
27 chmod +x "$program"
28}
29
30postInstall() {
31 # Create a wrapper around `aclocal' that converts every element in
32 # `ACLOCAL_PATH' into a `-I dir' option. This way `aclocal'
33 # becomes modular; M4 macros do not need to be stored in a single
34 # global directory, while callers of `aclocal' do not need to pass
35 # `-I' options explicitly.
36
37 for prog in $out/bin/aclocal*; do
38 wrapAclocal "$prog"
39 done
40
41 ln -s aclocal-1.11 $out/share/aclocal
42 ln -s automake-1.11 $out/share/automake
43}
44
45genericBuild