1 files changed, 196 insertions, 0 deletions

diff --git a/nacl/okcompilers/do b/nacl/okcompilers/do
new file mode 100755
index 00000000..372b7e00
--- /dev/null
+++ b/nacl/okcompilers/do
@@ -0,0 +1,196 @@
+#!/bin/sh -e
+
+mkdir oldbin
+mkdir bin
+
+for language in c cpp
+do
+  exec <$language
+  exec 9>${language}-works
+  
+  while read c options
+  do
+    echo "=== `date` === checking $c $options" >&2
+    rm -f test*
+    (
+      echo "#!/bin/sh"
+      echo 'PATH="'"$PATH"'"'
+      echo 'export PATH'
+      echo "$c" "$options" '"$@"'
+    ) > test-okc
+    chmod 755 test-okc
+    cat lib.c main.c > test.$language || continue
+    ./test-okc -o test test.$language || continue
+    ./test || continue
+    cp main.c test1.$language || continue
+    cp lib.c test2.$language || continue
+    ./test-okc -c test1.$language || continue
+    ./test-okc -c test2.$language || continue
+    ./test-okc -o test1 test1.o test2.o || continue
+    ./test1 || continue
+    echo "=== `date` === success: $c $options is ok"
+    echo "$c $options" >&9
+  done
+
+  mv ${language}-works $language
+done
+
+exec <c
+
+exec 7>oldbin/okabi
+chmod 755 oldbin/okabi
+echo "#!/bin/sh" >&7
+
+while :
+do
+  exec <c
+  read c options || break
+
+  for language in c cpp
+  do
+    exec 8>${language}-compatible
+    exec 9>${language}-incompatible
+    echo "=== `date` === checking compatibility with $c $options" >&2
+    exec <$language
+    while read c2 options2
+    do
+      echo "=== `date` === checking $c2 $options2" >&2
+      works=1
+      rm -f test*
+      (
+        echo "#!/bin/sh"
+        echo 'PATH="'"$PATH"'"'
+        echo 'export PATH'
+        echo "$c" "$options" '"$@"'
+      ) > test-okc
+      chmod 755 test-okc
+      (
+        echo "#!/bin/sh"
+        echo 'PATH="'"$PATH"'"'
+        echo 'export PATH'
+        echo "$c2" "$options2" '"$@"'
+      ) > test-okc2
+      chmod 755 test-okc2
+      if cp main.c test5.c \
+      && cp main.cpp test5.cpp \
+      && cp lib.c test6.c \
+      && ./test-okc2 -c test5.$language \
+      && ./test-okc -c test6.c \
+      && ./test-okc2 -o test5 test5.o test6.o \
+      && ./test5
+      then
+        echo "=== `date` === success: $c2 $options2 is compatible" >&2
+        echo "$c2 $options2" >&8
+      else
+        echo "$c2 $options2" >&9
+      fi
+    done
+  done
+
+  abi=`awk '{print length($0),$0}' < c-compatible \
+  | sort -n | head -1 | sed 's/ *$//' | sed 's/^[^ ]* //' | tr ' /' '__'`
+
+  echo "echo '"$abi"'" >&7
+
+  syslibs=""
+  for i in -lm -lnsl -lsocket -lrt
+  do
+    echo "=== `date` === checking $i" >&2
+    (
+      echo "#!/bin/sh"
+      echo 'PATH="'"$PATH"'"'
+      echo 'export PATH'
+      echo "$c" "$options" '"$@"' "$i" "$syslibs"
+    ) > test-okclink
+    chmod 755 test-okclink
+    cat lib.c main.c > test.c || continue
+    ./test-okclink -o test test.c $i $syslibs || continue
+    ./test || continue
+    syslibs="$i $syslibs"
+    (
+      echo '#!/bin/sh'
+      echo 'echo "'"$syslibs"'"'
+    ) > "oldbin/oklibs-$abi"
+    chmod 755 "oldbin/oklibs-$abi"
+  done
+
+  foundokar=0
+  exec <archivers
+  while read a
+  do
+    echo "=== `date` === checking archiver $a" >&2
+    (
+      echo "#!/bin/sh"
+      echo 'PATH="'"$PATH"'"'
+      echo 'export PATH'
+      echo "$a" '"$@"'
+    ) > test-okar
+    chmod 755 test-okar
+    cp main.c test9.c || continue
+    cp lib.c test10.c || continue
+    ./test-okc -c test10.c || continue
+    ./test-okar cr test10.a test10.o || continue
+    ranlib test10.a || echo "=== `date` === no ranlib; continuing anyway" >&2
+    ./test-okc -o test9 test9.c test10.a || continue
+    ./test9 || continue
+    cp -p test-okar "oldbin/okar-$abi"
+    echo "=== `date` === success: archiver $a is ok" >&2
+    foundokar=1
+    break
+  done
+
+  case $foundokar in
+    0)
+      echo "=== `date` === giving up; no archivers work" >&2
+      exit 111
+    ;;
+  esac
+
+  for language in c cpp
+  do
+    mv ${language}-incompatible ${language}
+    exec <${language}-compatible
+    exec 9>"oldbin/ok${language}-$abi"
+    chmod 755 "oldbin/ok${language}-$abi"
+  
+    echo "#!/bin/sh" >&9
+    while read c2 options2
+    do
+      echo "echo '"$c2 $options2"'" >&9
+    done
+  done
+done
+
+exec 7>/dev/null
+
+oldbin/okabi \
+| while read abi
+do
+  oldbin/okc-$abi \
+  | head -1 \
+  | while read c
+  do
+    $c -o abiname abiname.c \
+    && ./abiname "$abi"
+  done
+done > abinames
+
+numabinames=`awk '{print $2}' < abinames | sort -u | wc -l`
+numabis=`oldbin/okabi | wc -l`
+if [ "$numabis" = "$numabinames" ]
+then
+  exec <abinames
+  exec 7>bin/okabi
+  chmod 755 bin/okabi
+  echo '#!/bin/sh' >&7
+  while read oldabi newabi
+  do
+    mv "oldbin/okc-$oldabi" "bin/okc-$newabi"
+    mv "oldbin/okcpp-$oldabi" "bin/okcpp-$newabi"
+    mv "oldbin/okar-$oldabi" "bin/okar-$newabi"
+    mv "oldbin/oklibs-$oldabi" "bin/oklibs-$newabi"
+    echo "echo $newabi" >&7
+  done
+else
+  cp -p oldbin/* bin
+fi