tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1#!/bin/sh
2
3buildcpath() {
4 local path after
5 while (( $# )); do
6 case $1 in
7 -isystem)
8 shift
9 path=$path${path:+':'}$1
10 ;;
11 -idirafter)
12 shift
13 after=$after${after:+':'}$1
14 ;;
15 esac
16 shift
17 done
18 echo $path${after:+':'}$after
19}
20
21buildcpluspath() {
22 local path after
23 while (( $# )); do
24 case $1 in
25 -isystem|-cxx-isystem)
26 shift
27 path=$path${path:+':'}$1
28 ;;
29 -idirafter)
30 shift
31 after=$after${after:+':'}$1
32 ;;
33 esac
34 shift
35 done
36 echo $path${after:+':'}$after
37}
38
39# When user passes `--query-driver`, avoid extending `CPATH` et al, since we
40# don't want to infect user-specified toolchain and headers with our stuff.
41extendcpath=true
42
43for arg in "$@"; do
44 if [[ "${arg}" == \-\-query\-driver* ]]; then
45 extendcpath=false
46 fi
47done
48
49if [ "$extendcpath" = true ]; then
50 export C_INCLUDE_PATH=${CPATH}${CPATH:+':'}$(buildcpath ${NIX_CFLAGS_COMPILE} \
51 $(<@clang@/nix-support/libc-cflags))
52
53 export CPLUS_INCLUDE_PATH=${CPLUS_INCLUDE_PATH}${CPLUS_INCLUDE_PATH:+':'}$(buildcpluspath ${NIX_CFLAGS_COMPILE} \
54 $(<@clang@/nix-support/libcxx-cxxflags) \
55 $(<@clang@/nix-support/libc-cflags))
56fi
57
58@out@/bin/$(basename $0)-unwrapped "$@"