diff --git a/checkin_notes b/checkin_notes
index aa6da58501..2e282d5d7c 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -4482,3 +4482,9 @@ Rom    4 May 2006
     client/win/
         win_service.cpp
 
+Charlie 5 May 2006
+    - Mac: Clean up build scripts for jpeg and curl.
+    
+    mac_build/
+        buildcurl.sh
+        buildjpeg.sh
diff --git a/mac_build/buildcurl.sh b/mac_build/buildcurl.sh
index a5d05666aa..e1c8182bea 100644
--- a/mac_build/buildcurl.sh
+++ b/mac_build/buildcurl.sh
@@ -23,7 +23,7 @@
 # Script to build Macintosh Universal Binary library of curl-7.15.3 for
 # use in building BOINC.
 #
-# by Charlie Fenton 4/27/06
+# by Charlie Fenton 5/5/06
 #
 ## In Terminal, CD to the curl-7.15.3 directory.
 ##     cd [path]/curl-7.15.3/
@@ -44,8 +44,10 @@ fi
 export PATH=/usr/local/bin:$PATH
 export CC=/usr/bin/gcc-3.3;export CXX=/usr/bin/g++-3.3
 export LDFLAGS="-arch ppc"
-export CPPFLAGS="-arch ppc"
 export CFLAGS="-arch ppc"
+export SDKROOT="/Developer/SDKs/MacOSX10.3.9.sdk"
+
+## ./configure --enable-shared=NO --host=ppc --build=ppc
 ./configure --enable-shared=NO --host=ppc --build=ppc CPPFLAGS="-arch ppc -I/Developer/SDKs/MacOSX10.3.9.sdk/Developer/Headers/FlatCarbon -I/Developer/SDKs/MacOSX10.3.9.sdk/usr/include -isystem /Developer/SDKs/MacOSX10.3.9.sdk/usr/include/gcc/darwin/3.3 -I/Developer/SDKs/MacOSX10.3.9.sdk/usr/include/gcc/darwin/3.3/c++ -I/Developer/SDKs/MacOSX10.3.9.sdk/usr/include/gcc/darwin/3.3/c++/ppc-darwin -isystem /Developer/SDKs/MacOSX10.3.9.sdk/usr/include"
 if [  $? -ne 0 ]; then exit 1; fi
 
@@ -69,6 +71,8 @@ export CC=/usr/bin/gcc-4.0;export CXX=/usr/bin/g++-4.0
 export LDFLAGS=""
 export CPPFLAGS=""
 export CFLAGS=""
+export SDKROOT="/Developer/SDKs/MacOSX10.4u.sdk"
+
 ./configure --enable-shared=NO --host=i386 --build=i386
 if [  $? -ne 0 ]; then exit 1; fi
 
@@ -85,5 +89,7 @@ if [  $? -ne 0 ]; then exit 1; fi
 export CC="";export CXX=""
 export LDFLAGS=""
 export CPPFLAGS=""
+export CFLAGS=""
+export SDKROOT=""
 
 return 0
diff --git a/mac_build/buildjpeg.sh b/mac_build/buildjpeg.sh
index 89dcaab16b..a2080e9659 100644
--- a/mac_build/buildjpeg.sh
+++ b/mac_build/buildjpeg.sh
@@ -40,26 +40,21 @@ if [ "$1" != "-clean" ]; then
   fi
 fi
 
-
-## cd [path]/jpeg-6b/
 export PATH=/usr/local/bin:$PATH
 export CC=/usr/bin/gcc-3.3;export CXX=/usr/bin/g++-3.3
 export LDFLAGS="-arch ppc"
 export CPPFLAGS="-arch ppc"
-export CFLAGS="-arch ppc"
+export SDKROOT="/Developer/SDKs/MacOSX10.3.9.sdk"
 
 ./configure --disable-shared --host=ppc
 if [  $? -ne 0 ]; then exit 1; fi
 
-export LDFLAGS="-isysroot /Developer/SDKs/MacOSX10.3.9.sdk -Wl,-syslibroot,/Developer/SDKs/MacOSX10.3.9.sdk"
-export CPPFLAGS="-I/Developer/SDKs/MacOSX10.3.9.sdk/Developer/Headers/FlatCarbon -I/Developer/SDKs/MacOSX10.3.9.sdk/usr/include -isystem /Developer/SDKs/MacOSX10.3.9.sdk/usr/include/gcc/darwin/3.3 -I/Developer/SDKs/MacOSX10.3.9.sdk/usr/include/gcc/darwin/3.3/c++ -I/Developer/SDKs/MacOSX10.3.9.sdk/usr/include/gcc/darwin/3.3/c++/ppc-darwin -isystem /Developer/SDKs/MacOSX10.3.9.sdk/usr/include"
-
 rm -f libjpeg_ppc.a
 rm -f libjpeg_i386.a
 rm -f libjpeg.a
 make clean
 
-make
+make -e
 if [  $? -ne 0 ]; then exit 1; fi
 mv -f libjpeg.a libjpeg_ppc.a
 
@@ -70,7 +65,8 @@ export PATH=/usr/local/bin:$PATH
 export CC=/usr/bin/gcc-4.0;export CXX=/usr/bin/g++-4.0
 export LDFLAGS=""
 export CPPFLAGS=""
-export CFLAGS=""
+export SDKROOT="/Developer/SDKs/MacOSX10.4u.sdk"
+
 ./configure --disable-shared --host=i386
 if [  $? -ne 0 ]; then exit 1; fi
 
@@ -87,5 +83,6 @@ if [  $? -ne 0 ]; then exit 1; fi
 export CC="";export CXX=""
 export LDFLAGS=""
 export CPPFLAGS=""
+export SDKROOT=""
 
 return 0