bintools-wrapper: Init

Factor a bintools (i.e. binutils / cctools) wrapper out of cc-wrapper. While
only LD is wrapped, the setup hook defines environment variables on behalf of
other utilites.

1 files changed, 29 insertions, 0 deletions

diff --git a/pkgs/build-support/bintools-wrapper/ld-solaris-wrapper.sh b/pkgs/build-support/bintools-wrapper/ld-solaris-wrapper.sh
new file mode 100644
index 00000000000..5d81e34a047
--- /dev/null
+++ b/pkgs/build-support/bintools-wrapper/ld-solaris-wrapper.sh
@@ -0,0 +1,29 @@
+#!@shell@
+set -eu -o pipefail
+shopt -s nullglob
+
+if (( "${NIX_DEBUG:-0}" >= 7 )); then
+    set -x
+fi
+
+declare -a args=("$@")
+# I've also tried adding -z direct and -z lazyload, but it gave too many problems with C++ exceptions :'(
+# Also made sure libgcc would not be lazy-loaded, as suggested here: https://www.illumos.org/issues/2534#note-3
+#   but still no success.
+declare -a argsBefore=(-z ignore) argsAfter=()
+
+# This loop makes sure all -L arguments are before -l arguments, or ld may complain it cannot find a library.
+# GNU binutils does not have this problem:
+#   http://stackoverflow.com/questions/5817269/does-the-order-of-l-and-l-options-in-the-gnu-linker-matter
+while (( $# )); do
+    case "${args[$i]}" in
+        -L)   argsBefore+=("$1" "$2"); shift ;;
+        -L?*) argsBefore+=("$1") ;;
+        *)    argsAfter+=("$1") ;;
+    esac
+    shift
+done
+
+# Trace:
+set -x
+exec "@ld@" "${argsBefore[@]}" "${argsAfter[@]}"