diff --git a/android/buildAndroidBOINC-CI.sh b/android/buildAndroidBOINC-CI.sh
index 2d599cb7108..e2c3a039016 100755
--- a/android/buildAndroidBOINC-CI.sh
+++ b/android/buildAndroidBOINC-CI.sh
@@ -270,7 +270,7 @@ if [ $build_with_vcpkg = "yes" ]; then
     vcpkg_flags="--overlay-triplets=$vcpkg_ports_dir/triplets/default --clean-after-build"
     if [ ! -d "$VCPKG_ROOT" ]; then
         mkdir -p $BUILD_DIR
-        git -C $BUILD_DIR clone https://github.com/microsoft/vcpkg
+        git -C $BUILD_DIR clone https://github.com/ras0219/vcpkg -b dev/roschuma/curl-android
     fi
     if [ ! -e /tmp/vcpkg_updated ]; then
         git -C $VCPKG_ROOT reset --hard
diff --git a/android/build_boinc_arm.sh b/android/build_boinc_arm.sh
index 1393b33849a..55789c531e8 100755
--- a/android/build_boinc_arm.sh
+++ b/android/build_boinc_arm.sh
@@ -73,8 +73,7 @@ if [ -n "$COMPILEBOINC" ]; then
     if [ -n "$CONFIGURE" ]; then
         ./_autosetup
         if [ $BUILD_WITH_VCPKG = "yes" ]; then
-            chmod +x "$VCPKG_DIR/share/curl/curl-config"
-            export _libcurl_config="$VCPKG_DIR/share/curl/curl-config"
+            export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
         fi
         ./configure --host=arm-linux --with-boinc-platform="arm-android-linux-gnu" $CONFIG_FLAGS --disable-server --disable-manager --disable-shared --enable-static --disable-largefile
     fi
diff --git a/android/build_boinc_arm64.sh b/android/build_boinc_arm64.sh
index ad1d61c1233..77231a8775e 100755
--- a/android/build_boinc_arm64.sh
+++ b/android/build_boinc_arm64.sh
@@ -73,8 +73,7 @@ if [ -n "$COMPILEBOINC" ]; then
     if [ -n "$CONFIGURE" ]; then
         ./_autosetup
         if [ $BUILD_WITH_VCPKG = "yes" ]; then
-            chmod +x "$VCPKG_DIR/share/curl/curl-config"
-            export _libcurl_config="$VCPKG_DIR/share/curl/curl-config"
+            export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
         fi
         ./configure --host=aarch64-linux --with-boinc-platform="aarch64-android-linux-gnu" --with-boinc-alt-platform="arm-android-linux-gnu" $CONFIG_FLAGS --disable-server --disable-manager --disable-shared --enable-static
     fi
diff --git a/android/build_boinc_armv6.sh b/android/build_boinc_armv6.sh
index cd7a72576fb..6239eaa1671 100755
--- a/android/build_boinc_armv6.sh
+++ b/android/build_boinc_armv6.sh
@@ -75,8 +75,7 @@ if [ -n "$COMPILEBOINC" ]; then
     if [ -n "$CONFIGURE" ]; then
         ./_autosetup
         if [ $BUILD_WITH_VCPKG = "yes" ]; then
-            chmod +x "$VCPKG_DIR/share/curl/curl-config"
-            export _libcurl_config="$VCPKG_DIR/share/curl/curl-config"
+            export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
         fi
         ./configure --host=armv6-linux --with-boinc-platform="arm-android-linux-gnu" $CONFIG_FLAGS --disable-server --disable-manager --disable-shared --enable-static --disable-largefile
         sed -e "s%^CLIENTLIBS *= *.*$%CLIENTLIBS = -lm $STDCPPTC%g" client/Makefile > client/Makefile.out
diff --git a/android/build_boinc_x86.sh b/android/build_boinc_x86.sh
index a626ec08c33..34c52516112 100755
--- a/android/build_boinc_x86.sh
+++ b/android/build_boinc_x86.sh
@@ -73,8 +73,7 @@ if [ -n "$COMPILEBOINC" ]; then
     if [ -n "$CONFIGURE" ]; then
         ./_autosetup
         if [ $BUILD_WITH_VCPKG = "yes" ]; then
-            chmod +x "$VCPKG_DIR/share/curl/curl-config"
-            export _libcurl_config="$VCPKG_DIR/share/curl/curl-config"
+            export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
         fi
         ./configure --host=i686-linux --with-boinc-platform="x86-android-linux-gnu" $CONFIG_FLAGS --disable-server --disable-manager --disable-shared --enable-static --disable-largefile
     fi
diff --git a/android/build_boinc_x86_64.sh b/android/build_boinc_x86_64.sh
index cdb77065289..69f22963064 100755
--- a/android/build_boinc_x86_64.sh
+++ b/android/build_boinc_x86_64.sh
@@ -73,8 +73,7 @@ if [ -n "$COMPILEBOINC" ]; then
     if [ -n "$CONFIGURE" ]; then
         ./_autosetup
         if [ $BUILD_WITH_VCPKG = "yes" ]; then
-            chmod +x "$VCPKG_DIR/share/curl/curl-config"
-            export _libcurl_config="$VCPKG_DIR/share/curl/curl-config"
+            export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
         fi
         ./configure --host=x86_64-linux --with-boinc-platform="x86_64-android-linux-gnu" --with-boinc-alt-platform="x86-android-linux-gnu" $CONFIG_FLAGS --disable-server --disable-manager --disable-shared --enable-static
     fi
diff --git a/linux/ci_configure_client.sh b/linux/ci_configure_client.sh
index 4f16550a3d9..606f161c1b4 100755
--- a/linux/ci_configure_client.sh
+++ b/linux/ci_configure_client.sh
@@ -13,6 +13,5 @@ export VCPKG_DIR="$VCPKG_ROOT/installed/x64-linux"
 
 linux/update_vcpkg.sh
 
-chmod +x "$VCPKG_DIR/share/curl/curl-config"
-export _libcurl_config="$VCPKG_DIR/share/curl/curl-config"
+export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
 ./configure --enable-vcpkg --with-libcurl=$VCPKG_DIR --with-ssl=$VCPKG_DIR --disable-server --enable-client --disable-manager
diff --git a/m4/libcurl.m4 b/m4/libcurl.m4
index 1b036fd10d7..189db588dfc 100644
--- a/m4/libcurl.m4
+++ b/m4/libcurl.m4
@@ -70,6 +70,76 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
         PATH="${withval%/}/bin:$PATH"
      fi
 
+     AC_PATH_PROG([_libcurl_pc])
+     if test x$_libcurl_pc != "x" ; then
+        AC_CACHE_CHECK([for the version of libcurl],
+           [libcurl_cv_lib_curl_version],
+           [libcurl_cv_lib_curl_version=`pkg-config $_libcurl_pc --modversion`])
+        _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse`
+        _libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse`
+
+        if test $_libcurl_wanted -gt 0 ; then
+           AC_CACHE_CHECK([for libcurl >= version $2],
+              [libcurl_cv_lib_version_ok],
+              [
+                 if test $_libcurl_version -ge $_libcurl_wanted ; then
+                 libcurl_cv_lib_version_ok=yes
+                    else
+                 libcurl_cv_lib_version_ok=no
+                fi
+              ])
+        fi
+
+        if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then
+           if test x"$LIBCURL_CPPFLAGS" = "x" ; then
+              LIBCURL_CPPFLAGS=`pkg-config $_libcurl_pc --cflags`
+           fi
+
+           if test x"$LIBCURL" = "x" ; then
+               if $(pkg-config $_libcurl_pc --static 2>&1 > /dev/null) ; then
+                  LIBCURL="`pkg-config $_libcurl_pc --static`"
+               fi
+           fi
+
+           if test x"$LIBCURL" = "x" ; then
+              LIBCURL="`pkg-config $_libcurl_pc --libs`"
+
+              if test "x`echo \""$LIBCURL"\" | grep ssl`" = x ; then
+                LIBCURL="${LIBCURL} ${SSL_LIBS}"
+              fi
+
+              # fix cannot find -lssl
+              if test "x`echo \""$SSL_LIBS"\" | grep '\-L/'`" != 'x' ; then
+                LIBCURL="${LIBCURL} ${SSL_LIBS}"
+              fi
+
+              # This is so silly, but Apple actually has a bug in their
+              # curl-config script.  Fixed in Tiger, but there are still
+              # lots of Panther installs around.
+              case "${host}" in
+                 powerpc-apple-darwin7*)
+                    LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'`
+                    ;;
+                 armv6-*)
+                    LIBCURL=`echo $LIBCURL -latomic`
+                    ;;
+              esac
+           fi
+
+           # All curl-config scripts support --feature
+           _libcurl_features=`pkg-config $_libcurl_pc --variable=supported_features`
+
+           # Is it modern enough to have --protocols? (7.12.4)
+           if test $_libcurl_version -ge 461828 ; then
+              _libcurl_protocols=`pkg-config $_libcurl_pc --variable=supported_protocols`
+           fi
+        else
+           _libcurl_try_link=no
+        fi
+
+        unset _libcurl_wanted
+     fi
+
      AC_PATH_PROG([_libcurl_config],[curl-config])
      if test x$_libcurl_config != "x" ; then
         AC_CACHE_CHECK([for the version of libcurl],
@@ -123,12 +193,6 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
                  powerpc-apple-darwin7*)
                     LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'`
                     ;;
-                 x86_64-pc-linux-gnu)
-                    LIBCURL=`echo $LIBCURL -ldl`
-                    ;;                    
-                 armv6-*)
-                    LIBCURL="-lcurl -lssl -lcrypto -lz -latomic"
-                    ;;
               esac
            fi