ramips: add alsa support
[openwrt.git] / scripts / patch-specs.sh
1 #!/usr/bin/env bash
2
3 DIR="$1"
4
5 if [ -d "$DIR" ]; then
6         DIR="$(cd "$DIR"; pwd)"
7 else
8         echo "Usage: $0 toolchain-dir"
9         exit 1
10 fi
11
12 echo -n "Locating cpp ... "
13 for bin in bin usr/bin usr/local/bin; do
14         for cmd in "$DIR/$bin/"*-cpp; do
15                 if [ -x "$cmd" ]; then
16                         echo "$cmd"
17                         CPP="$cmd"
18                         break
19                 fi
20         done
21 done
22
23 if [ ! -x "$CPP" ]; then
24         echo "Can't locate a cpp executable in '$DIR' !"
25         exit 1
26 fi
27
28 patch_specs() {
29         local found=0
30
31         for lib in $(STAGING_DIR="$DIR" "$CPP" -x c -v /dev/null 2>&1 | sed -ne 's#:# #g; s#^LIBRARY_PATH=##p'); do
32                 if [ -d "$lib" ]; then
33                         grep -qs "STAGING_DIR" "$lib/specs" && rm -f "$lib/specs"
34                         if [ $found -lt 1 ]; then
35                                 echo -n "Patching specs ... "
36                                 STAGING_DIR="$DIR" "$CPP" -dumpspecs | awk '
37                                         mode ~ "link" {
38                                                 sub("%{L.}", "%{L*} -L %:getenv(STAGING_DIR /usr/lib) -rpath-link %:getenv(STAGING_DIR /usr/lib)")
39                                         }
40                                         mode ~ "cpp" {
41                                                 $0 = $0 " -idirafter %:getenv(STAGING_DIR /usr/include)"
42                                         }
43                                         {
44                                                 print $0
45                                                 mode = ""
46                                         }
47                                         /^\*cpp:/ {
48                                                 mode = "cpp"
49                                         }
50                                         /^\*link.*:/ {
51                                                 mode = "link"
52                                         }
53                                 ' > "$lib/specs"
54                                 echo "ok"
55                                 found=1
56                         fi
57                 fi
58         done
59
60         [ $found -gt 0 ]
61         return $?
62 }
63
64
65 VERSION="$(STAGING_DIR="$DIR" "$CPP" --version | sed -ne 's/^.* (.*) //; s/ .*$//; 1p')"
66 VERSION="${VERSION:-unknown}"
67
68 case "${VERSION##* }" in
69         2.*|3.*|4.0.*|4.1.*|4.2.*)
70                 echo "The compiler version does not support getenv() in spec files."
71                 echo -n "Wrapping binaries instead ... "
72
73                 if "${0%/*}/ext-toolchain.sh" --toolchain "$DIR" --wrap "${CPP%/*}"; then
74                         echo "ok"
75                         exit 0
76                 else
77                         echo "failed"
78                         exit $?
79                 fi
80         ;;
81         *)
82                 if patch_specs; then
83                         echo "Toolchain successfully patched."
84                         exit 0
85                 else
86                         echo "Failed to locate library directory!"
87                         exit 1
88                 fi
89         ;;
90 esac