make do-link executable from /usr/bin/env

On openbsd the script interpreter of an interpreter script can't be an
interpreter script (script(7)) so do-link must be ran with /usr/bin/env
which means the type parameter needs to be a variable set in the do
file.

4 files changed, 8 insertions, 6 deletions

diff --git a/do-link b/do-link
index 189e899..76ca11b 100755
--- a/do-link
+++ b/do-link
@@ -1,8 +1,7 @@
 #!/usr/bin/env bash
 set -e
-type=$1
-. "$2" # .do file which we are "interpreting"
+. "$1" # .do file which we are "interpreting"
 redo-ifchange "$0" "link-$type.tool" "${objects[@]}"
-shift 2
+shift
 . "./link-$type.tool"
 "${cmd[@]}"
diff --git a/libpack.do b/libpack.do
index 9fa753d..8cd27f6 100755
--- a/libpack.do
+++ b/libpack.do
@@ -1,2 +1,3 @@
-#!./do-link library
+#!/usr/bin/env ./do-link
+type=library
 objects=(common.o pack.o trace.o unpack.o ieee754b.o)
diff --git a/test.do b/test.do
index 5ebdb6e..9b8f93b 100755
--- a/test.do
+++ b/test.do
@@ -1,2 +1,3 @@
-#!./do-link executable
+#!/usr/bin/env ./do-link
+type=executable
 objects=(common.o pack.o test.o trace.o unpack.o ieee754b.o)
diff --git a/test_gen.do b/test_gen.do
index cffe9df..b4b480a 100755
--- a/test_gen.do
+++ b/test_gen.do
@@ -1,2 +1,3 @@
-#!./do-link executable-host
+#!/usr/bin/env ./do-link
+type=executable-host
 objects=(test_gen.o)