Add some &&s to configure

so if the "cd" fails we don't charge on regardless.

diff --git a/configure.ac b/configure.ac
index b1c634c..f5d4fc8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -398,15 +398,16 @@ then
         rm -rf inplace/mingw
         mkdir inplace
         mkdir inplace/mingw
-        cd inplace/mingw
-        tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz
-        tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz
-        tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2
-        tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz
-        tar -jxf ../../ghc-tarballs/mingw/perl*.tar.bz2
-        tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz
-        mv bin/gcc.exe bin/realgcc.exe
-        cd ../..
+        (
+            cd inplace/mingw &&
+            tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
+            tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
+            tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
+            tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
+            tar -jxf ../../ghc-tarballs/mingw/perl*.tar.bz2 &&
+            tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
+            mv bin/gcc.exe bin/realgcc.exe
+        )
         inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
         AC_MSG_NOTICE([In-tree mingw tree created])
     fi