diff options
Diffstat (limited to 'pkgs/build-support/rust/build-rust-crate/configure-crate.nix')
| -rw-r--r-- | pkgs/build-support/rust/build-rust-crate/configure-crate.nix | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/pkgs/build-support/rust/build-rust-crate/configure-crate.nix b/pkgs/build-support/rust/build-rust-crate/configure-crate.nix index 5129777c9d51e..473a91f9ce07e 100644 --- a/pkgs/build-support/rust/build-rust-crate/configure-crate.nix +++ b/pkgs/build-support/rust/build-rust-crate/configure-crate.nix @@ -189,9 +189,21 @@ in '' EXTRA_LINK=$(sed -n "s/^cargo:rustc-link-lib=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ') EXTRA_LINK_SEARCH=$(sed -n "s/^cargo:rustc-link-search=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ' | sort -u) + # We want to read part of every line that has cargo:rustc-env= prefix and + # export it as environment variables. This turns out tricky if the lines + # have spaces: we can't wrap the command in double quotes as that captures + # all the lines in single output. We can't use while read loop because + # exporting from inside of it doesn't make it to the outside scope. We + # can't use xargs as export is a built-in and does not work from it. As a + # last resort then, we change the IFS so that the for loop does not split + # on spaces and reset it after we are done. See ticket #199298. + # + _OLDIFS="$IFS" + IFS=$'\n' for env in $(sed -n "s/^cargo:rustc-env=\(.*\)/\1/p" target/build/${crateName}.opt); do - export $env + export "$env" done + IFS="$_OLDIFS" CRATENAME=$(echo ${crateName} | sed -e "s/\(.*\)-sys$/\U\1/" -e "s/-/_/g") grep -P "^cargo:(?!(rustc-|warning=|rerun-if-changed=|rerun-if-env-changed))" target/build/${crateName}.opt \ |