Avoid checking out unused submodules

.ci/build-freebsd.sh

@@ -1,9 +1,9 @@
 #!/bin/sh -ex
 
-# Pull all the submodules except llvm and opencv
+# Pull all the submodules except llvm, opencv, libpng, sdl and curl
 # Note: Tried to use git submodule status, but it takes over 20 seconds
 # shellcheck disable=SC2046
-git submodule -q update --init --depth 1 $(awk '/path/ && !/llvm/ && !/opencv/ { print $3 }' .gitmodules)
+git submodule -q update --init --depth 1 $(awk '/path/ && !/llvm/ && !/opencv/ && !/libpng/ && !/libsdl-org/ && !/curl/ { print $3 }' .gitmodules)
 
 CONFIGURE_ARGS="
 	-DWITH_LLVM=ON

.ci/build-linux-aarch64.sh

@@ -6,9 +6,9 @@ fi
 
 git config --global --add safe.directory '*'
 
-# Pull all the submodules except llvm and opencv
+# Pull all the submodules except llvm, opencv, sdl and curl
 # shellcheck disable=SC2046
-git submodule -q update --init $(awk '/path/ && !/llvm/ && !/opencv/ { print $3 }' .gitmodules)
+git submodule -q update --init $(awk '/path/ && !/llvm/ && !/opencv/ && !/libsdl-org/ && !/curl/ { print $3 }' .gitmodules)
 
 mkdir build && cd build || exit 1
 

.ci/build-linux.sh

@@ -6,10 +6,10 @@ fi
 
 git config --global --add safe.directory '*'
 
-# Pull all the submodules except llvm and opencv
+# Pull all the submodules except llvm, opencv, sdl and curl
 # Note: Tried to use git submodule status, but it takes over 20 seconds
 # shellcheck disable=SC2046
-git submodule -q update --init $(awk '/path/ && !/llvm/ && !/opencv/ { print $3 }' .gitmodules)
+git submodule -q update --init $(awk '/path/ && !/llvm/ && !/opencv/ && !/libsdl-org/ && !/curl/ { print $3 }' .gitmodules)
 
 mkdir build && cd build || exit 1