build.sh: ignore directories in tarballs/ (#37)

build.sh, tools.sh: add UNATTENDED option (#37)
xcrun.cpp: make local functions static

README.md

@@ -42,7 +42,7 @@ On debian like systems you can also use [llvm.org/apt](http://llvm.org/apt) to g
 But be careful, that repository is known to cause [troubles](https://github.com/tpoechtrager/osxcross/issues/16).  
 \--
 
-Then run `./build.sh` to build the cross toolchain.  
+Then run `[UNATTENDED=1] ./build.sh` to build the cross toolchain.  
 (It will search 'tarballs' for your SDK and then build in its own directory.)
 
 **Do not forget** to add `<path>/target/bin` to your PATH variable.

build.sh

@@ -18,14 +18,14 @@ function guess_sdk_version()
     echo no SDK found in 'tarballs/'. please see README.md
     exit 1
   elif [ $sdkcount -gt 1 ]; then
-    sdks=`find tarballs/ | grep MacOSX`
+    sdks=`find tarballs/ -type f | grep MacOSX`
     for sdk in $sdks; do echo $sdk; done
     echo 'more than one MacOSX SDK tarball found. please set'
     echo 'SDK_VERSION environment variable for the one you want'
     echo '(for example: SDK_VERSION=10.x [OSX_VERSION_MIN=10.x] ./build.sh)'
     exit 1
   else
-    sdk=`find tarballs/ | grep MacOSX`
+    sdk=`find tarballs/ -type f | grep MacOSX`
     tmp2=`echo ${sdk/bz2/} | sed s/[^0-9.]//g`
     tmp3=`echo $tmp2 | sed s/\\\.*$//g`
     guess_sdk_version_result=$tmp3
@@ -44,7 +44,7 @@ function verify_sdk_version()
 {
   sdkv=$1
   for file in tarballs/*; do
-    if [ `echo $file | grep OSX.*$sdkv` ]; then
+    if [ -f "$file" ] && [ `echo $file | grep OSX.*$sdkv` ]; then
       echo "verified at "$file
       sdk=$file
     fi
@@ -104,8 +104,10 @@ echo "Tarball Directory: $TARBALL_DIR"
 echo "Build Directory: $BUILD_DIR"
 echo "Install Directory: $TARGET_DIR"
 echo "SDK Install Directory: $SDK_DIR"
+if [ -z "$UNATTENDED" ]; then
   echo ""
   read -p "Press enter to start building"
+fi
 echo ""
 
 export PATH=$TARGET_DIR/bin:$PATH
@@ -267,7 +269,9 @@ do
   echo "You can press ctrl-c to break the build process,"
   echo "if you restart ./build.sh then we will continue from here"
   echo ""
+  if [ -z "$UNATTENDED" ]; then
     read -p "Press enter to continue"
+  fi
   ls $TARBALL_DIR/MacOSX$SDK_VERSION* &>/dev/null
 done
 set -e

tools/tools.sh

@@ -48,8 +48,13 @@ function require()
   which $1 &>/dev/null
   while [ $? -ne 0 ]
   do
+    if [ -z "$UNATTENDED" ]; then
       echo ""
-    read -p "Please install $1 then press enter"
+      read -p "Please install '$1' then press enter"
+    else
+      echo "Required dependency '$1' is not installed" 1>&2
+      exit 1
+    fi
     which $1 &>/dev/null
   done
   set -e

wrapper/programs/xcrun.cpp

@@ -29,8 +29,9 @@ using namespace tools;
 using namespace target;
 
 namespace program {
+namespace {
 
-static bool showCommand = false;
+bool showCommand = false;
 
 bool getToolPath(Target &target, std::string &toolpath, const char *tool) {
   toolpath = target.execpath;
@@ -130,6 +131,8 @@ int showSDKVersion(Target &target, char **) {
   return 0;
 }
 
+} // anonymous namespace
+
 int xcrun(int argc, char **argv, Target &target) {
   if (getenv("xcrun_log"))
     showCommand = true;