Fixed #75: Handle updates of autogen-result.tar.gz properly.

.gitignore

@@ -9,6 +9,7 @@
 project.xcworkspace/
 xcuserdata/
 
+/build-mac/autogen-result.md5
 /build-mac/build
 /build-mac/include
 /build-mac/dependencies/build/

build-mac/libetpan.xcodeproj/project.pbxproj

@@ -1859,7 +1859,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "mkdir -p \"$BUILT_PRODUCTS_DIR/$PUBLIC_HEADERS_FOLDER_PATH\"\nln -sf \"Versions/Current/Headers\" \"$BUILT_PRODUCTS_DIR/$FULL_PRODUCT_NAME/Headers\"\nrsync -aL \"$SRCROOT/../include/libetpan/\" \"$BUILT_PRODUCTS_DIR/$PUBLIC_HEADERS_FOLDER_PATH/\"\n";
+			shellScript = "mkdir -p \"$BUILT_PRODUCTS_DIR/$PUBLIC_HEADERS_FOLDER_PATH\"\nmkdir -p \"$BUILT_PRODUCTS_DIR/include/libetpan\"\nln -sf \"Versions/Current/Headers\" \"$BUILT_PRODUCTS_DIR/$FULL_PRODUCT_NAME/Headers\"\nrsync -aL \"$SRCROOT/../include/libetpan/\" \"$BUILT_PRODUCTS_DIR/include/libetpan/\"\nrsync -aL \"$SRCROOT/../include/libetpan/\" \"$BUILT_PRODUCTS_DIR/$PUBLIC_HEADERS_FOLDER_PATH/\"\n";
 		};
 		C6740DB515B384FB00D4A16B /* ShellScript */ = {
 			isa = PBXShellScriptBuildPhase;

build-mac/update.sh

@@ -32,9 +32,16 @@ if test x$ACTION = x ; then
 fi
 
 if test x$ACTION = xbuild ; then
+  
+  md5 build-mac/autogen-result.tar.gz > build-mac/autogen-result.md5.new
+  if ! cmp -s build-mac/autogen-result.md5 build-mac/autogen-result.md5.new ; then
+    rm Makefile
+  fi
+  rm -f build-mac/autogen-result.md5.new
   if test ! -f Makefile ; then
     echo configuring
     tar xzf build-mac/autogen-result.tar.gz
+    export SDKROOT=
     ./configure --enable-debug > "$logfile" 2>&1
     if [[ "$?" != "0" ]]; then
       echo "configure failed"
@@ -43,6 +50,7 @@ if test x$ACTION = xbuild ; then
 
     make stamp-prepare-target >> "$logfile" 2>&1
     make libetpan-config.h >> "$logfile" 2>&1
+    md5 build-mac/autogen-result.tar.gz > build-mac/autogen-result.md5
   fi
   if test x$PLATFORM_NAME = xiphoneos -o x$PLATFORM_NAME = xiphonesimulator ; then
     if test ! -d build-mac/libsasl-ios ; then
@@ -55,6 +63,7 @@ elif test x$ACTION = xclean ; then
   if test -f Makefile ; then
     make distclean >/dev/null
     cd build-mac
+    rm -f autogen-result.md5
     rm -rf libsasl-ios
     rm -rf dependencies/build
   fi