Use enhanced bctest (as in main trunk), and add a workaround that

should solve the problems with FreeBSD's /bin/sh.

1 files changed, 38 insertions, 23 deletions

diff --git a/test/bctest b/test/bctest
index 6fa0663bb0..b9ef95bf82 100755
--- a/test/bctest
+++ b/test/bctest
@@ -11,8 +11,9 @@
 # running) bc.
 
 
-# Test for SunOS 5.[78] bc bug (or missing bc)
-if [ 0 != "`bc <<\EOF
+# Test for SunOS 5.[78] bc bug
+SunOStest() {
+${1} >tmp.bctest <<\EOF
 obase=16
 ibase=16
 a=AD88C418F31B3FC712D0425001D522B3AE9134FF3A98C13C1FCC1682211195406C1A6C66C6A\
@@ -26,17 +27,18 @@ b=DCE91E7D120B983EA9A104B5A96D634DD644C37657B1C7860B45E6838999B3DCE5A555583C6\
 8B3CD64126E1A82E190228020C05B91C8B141F1110086FC2A4C6ED631EBA129D04BB9A19FC53D\
 3ED0E2017D60A68775B75481449
 (a/b)*b + (a%b) - a
-EOF`" ]
+EOF
+if [ 0 != "`cat tmp.bctest`" ]
 then
-  echo "bc does not work.  Consider installing GNU bc." >&2
-  echo "cat >/dev/null"
-  exit 1
+  # failure
+  return 1
 fi
+}
 
 
 # Test for SCO bc bug.
-if [ "0
-0" != "`bc <<\EOF
+SCOtest() {
+${1} >tmp.bctest <<\EOF
 obase=16
 ibase=16
 -FFDD63BA1A4648F0D804F8A1C66C53F0D2110590E8A3907EC73B4AEC6F15AC177F176F2274D2\
@@ -62,23 +64,36 @@ F617E3145BBFBE9AFD0D6E437EA4FF6F04BC67C4F1458B4F0F47B64 - 1C2BBBB19B74E86FD32\
 9E8DB6A8C3B1B9986D57ED5419C2E855F7D5469E35E76334BB42F4C43E3F3A31B9697C171DAC4\
 D97935A7E1A14AD209D6CF811F55C6DB83AA9E6DFECFCD6669DED7171EE22A40C6181615CAF3F\
 5296964
-EOF`" ]
+EOF
+if [ "0
+0" != "`cat tmp.bctest`" ]
 then
-  echo "bc does not work.  Consider installing GNU bc." >&2
-  echo "cat >/dev/null"
-  exit 1
+  # failure
+  return 1
 fi
+}
 
 
-# bc works, good.
-# Now check if it knows the 'print' command.
-if [ "OK" = "`bc 2>/dev/null <<\EOF
-print \"OK\"
-EOF`" ]
-then
-    echo "bc"
-else
-    echo "sed 's/print.*//' | bc"
-fi
+IFS=:
+for dir in $PATH; do
+    bc="$dir/bc"
+
+    if [ -x "$bc" -a ! -d "$bc" ]; then
+        if SunOStest "$bc" && SCOtest "$bc"; then
+            # bc works; now check if it knows the 'print' command.
+            if [ "OK" = "`echo 'print \"OK\"' | $bc 2>/dev/null`" ]
+            then
+                echo "$bc"
+            else
+                echo "sed 's/print.*//' | $bc"
+            fi
+            exit 0
+        fi
+
+        echo "$bc does not work properly.  Looking for another bc ..." >&2
+    fi
+done
 
-exit 0
+echo "No working bc found.  Consider installing GNU bc." >&2
+echo "cat >/dev/null"
+exit 1