1 files changed, 100 insertions, 0 deletions
diff --git a/msvc-common/msvc-lib-common b/msvc-common/msvc-lib-common
new file mode 100755
index 0000000..a38bcd3
--- /dev/null
+++ b/msvc-common/msvc-lib-common
@@ -0,0 +1,100 @@
+#! /usr/bin/env bash
+
+# Note: shouldn't be executed directly, src_dir must be set.
+
+# Common lib.exe driver that expects the VCBIN and LIB variables to be set for
+# the specific MSVC version/configuration.
+#
+# It's not clear/documented why we need LIB or what the /LIBPATH option is
+# for. Perhaps for link-time code generation (/LTCG).
+
+trap "{ exit 1; }" ERR
+set -o errtrace # Trap in functions.
+
+function info () { echo "$*" 1>&2; }
+function error () { info "$*"; exit 1; }
+
+source "$src_dir/msvc-common/msvc-common"
+
+# Translate absolute paths from POSIX to Windows. Use bash array to store
+# arguments in case they contain spaces.
+#
+# This needs to be done for both certain option values and arguments.
+# Arguments are tricky in that unless we recognize every option, and option
+# may look a lot like an absolute POSIX path (e.g., /nologo). The heuristics
+# that we are going to use here is that if the argument starts with / and
+# contains at least one more /, then we consider it an argument. Otherwise --
+# an options. We will also explicitly recognize certain options which may
+# not fit this scheme well.
+#
+args=()
+
+while [ $# -gt 0 ]; do
+  case ${1^^} in # Uppercase for case-insensitive comparison.
+
+    # /DEF[:filename]
+    # /OUT:filename
+    #
+    [/-]DEF:* | \
+    [/-]OUT:*)
+      args=("${args[@]}" "$(split_translate 5 $1)")
+      shift
+      ;;
+
+    # /LIST[:filename]
+    # /NAME:filename
+    #
+    [/-]LIST:* | \
+    [/-]NAME:*)
+      args=("${args[@]}" "$(split_translate 6 $1)")
+      shift
+      ;;
+
+    # /LIBPATH:dir
+    #
+    [/-]LIBPATH:*)
+      args=("${args[@]}" "$(split_translate 9 $1)")
+      shift
+      ;;
+
+    # Handle other options with separate values. This makes sure we don't try
+    # to path-translate them.
+    #
+
+    # Aren't any.
+
+    # Handle other options with combined values that could possibly be
+    # interpreted as paths, for example /EXTRACT:foo/bar.obj.
+    #
+    [/-]EXPORT:*  | \
+    [/-]EXTRACT:* | \
+    [/-]INCLUDE:* | \
+    [/-]REMOVE:*)
+      args=("${args[@]}" "$1")
+      shift
+      ;;
+
+    # Option or argument.
+    #
+    *)
+      # If contains at least two slashes, treat it as a path.
+      #
+      if [[ "$1" == /*/* ]]; then
+	args=("${args[@]}" "$(translate $1)")
+      else
+	args=("${args[@]}" "$1")
+      fi
+      shift
+      ;;
+  esac
+done
+
+export LIB
+
+# link.exe may need to run other tools (/LTCG).
+#
+export WINEPATH="$VCBIN;$VCDLL;$SDKBIN"
+
+# lib.exe always sends diagnostics to stdout.
+#
+msvc_exec 1 "$VCBIN\\lib.exe" "${args[@]}"