tjh.dev
Clone of https://github.com/NixOS/nixpkgs.git (to stress-test knotserver)
1if [ -e .attrs.sh ]; then source .attrs.sh; fi
2source $stdenv/setup
3
4# Wrap the given `aclocal' program, appending extra `-I' flags
5# corresponding to the directories listed in $ACLOCAL_PATH. (Note
6# that `wrapProgram' can't be used for that purpose since it can only
7# prepend flags, not append them.)
8wrapAclocal() {
9 local program="$1"
10 local wrapped="$(dirname $program)/.$(basename $program)-wrapped"
11
12 mv "$program" "$wrapped"
13 cat > "$program"<<EOF
14#! $SHELL -e
15
16unset extraFlagsArray
17declare -a extraFlagsArray
18
19oldIFS=\$IFS
20IFS=:
21for dir in \$ACLOCAL_PATH; do
22 if test -n "\$dir" -a -d "\$dir"; then
23 extraFlagsArray=("\${extraFlagsArray[@]}" "-I" "\$dir")
24 fi
25done
26IFS=\$oldIFS
27
28exec "$wrapped" "\$@" "\${extraFlagsArray[@]}"
29EOF
30 chmod +x "$program"
31}
32
33postInstall() {
34 # Create a wrapper around `aclocal' that converts every element in
35 # `ACLOCAL_PATH' into a `-I dir' option. This way `aclocal'
36 # becomes modular; M4 macros do not need to be stored in a single
37 # global directory, while callers of `aclocal' do not need to pass
38 # `-I' options explicitly.
39
40 for prog in $out/bin/aclocal*; do
41 wrapAclocal "$prog"
42 done
43
44 ln -s aclocal-1.11 $out/share/aclocal
45 ln -s automake-1.11 $out/share/automake
46}
47
48genericBuild