Only download when there aren't the files yet

7 files changed, 62 insertions, 42 deletions

diff --git a/indra/cmake/CEFPlugin.cmake b/indra/cmake/CEFPlugin.cmake
index 919328a42a..119a41f570 100644
--- a/indra/cmake/CEFPlugin.cmake
+++ b/indra/cmake/CEFPlugin.cmake
@@ -7,11 +7,13 @@ add_library( ll::cef INTERFACE IMPORTED )
 
 if (CMAKE_OSX_ARCHITECTURES MATCHES arm64)
     if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/dullahan_installed OR NOT ${dullahan_installed} EQUAL 0)
-        file(DOWNLOAD
-            https://megapahit.net/downloads/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070244.tar.bz2
-            ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070244.tar.bz2
-            SHOW_PROGRESS
-            )
+        if (NOT EXISTS ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070244.tar.bz2)
+            file(DOWNLOAD
+                https://megapahit.net/downloads/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070244.tar.bz2
+                ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070244.tar.bz2
+                SHOW_PROGRESS
+                )
+        endif (NOT EXISTS ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070244.tar.bz2)
         file(ARCHIVE_EXTRACT
             INPUT ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070244.tar.bz2
             DESTINATION ${LIBS_PREBUILT_DIR}
@@ -20,11 +22,13 @@ if (CMAKE_OSX_ARCHITECTURES MATCHES arm64)
     endif (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/dullahan_installed OR NOT ${dullahan_installed} EQUAL 0)
 elseif (CMAKE_OSX_ARCHITECTURES MATCHES x86_64)
     if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/dullahan_installed OR NOT ${dullahan_installed} EQUAL 0)
-        file(DOWNLOAD
-            https://megapahit.net/downloads/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070158.tar.bz2
-            ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070158.tar.bz2
-            SHOW_PROGRESS
-            )
+        if (NOT EXISTS ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070158.tar.bz2)
+            file(DOWNLOAD
+                https://megapahit.net/downloads/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070158.tar.bz2
+                ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070158.tar.bz2
+                SHOW_PROGRESS
+                )
+        endif (NOT EXISTS ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070158.tar.bz2)
         file(ARCHIVE_EXTRACT
             INPUT ${CMAKE_BINARY_DIR}/dullahan-1.14.0.202312131437_118.7.1_g99817d2_chromium-118.0.5993.119-darwin64-242070158.tar.bz2
             DESTINATION ${LIBS_PREBUILT_DIR}
diff --git a/indra/cmake/LibVLCPlugin.cmake b/indra/cmake/LibVLCPlugin.cmake
index 29d71d7dba..779576a485 100644
--- a/indra/cmake/LibVLCPlugin.cmake
+++ b/indra/cmake/LibVLCPlugin.cmake
@@ -9,10 +9,12 @@ if (USESYSTEMLIBS)
     if (DARWIN)
         if (CMAKE_OSX_ARCHITECTURES MATCHES arm64)
             if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/vlc_installed OR NOT ${vlc_installed} EQUAL 0)
-                file(DOWNLOAD
-                    https://get.videolan.org/vlc/3.0.21/macosx/vlc-3.0.21-arm64.dmg
-                    ${CMAKE_BINARY_DIR}/vlc-3.0.21-arm64.dmg
-                    )
+                if (NOT EXISTS ${CMAKE_BINARY_DIR}/vlc-3.0.21-arm64.dmg)
+                    file(DOWNLOAD
+                        https://get.videolan.org/vlc/3.0.21/macosx/vlc-3.0.21-arm64.dmg
+                        ${CMAKE_BINARY_DIR}/vlc-3.0.21-arm64.dmg
+                        )
+                endif (NOT EXISTS ${CMAKE_BINARY_DIR}/vlc-3.0.21-arm64.dmg)
                 file(WRITE ${PREBUILD_TRACKING_DIR}/vlc_installed "0")
             endif (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/vlc_installed OR NOT ${vlc_installed} EQUAL 0)
             execute_process(
@@ -21,10 +23,12 @@ if (USESYSTEMLIBS)
                 )
         else (CMAKE_OSX_ARCHITECTURES MATCHES arm64)
             if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/vlc_installed OR NOT ${vlc_installed} EQUAL 0)
-                file(DOWNLOAD
-                    https://get.videolan.org/vlc/3.0.21/macosx/vlc-3.0.21-intel64.dmg
-                    ${CMAKE_BINARY_DIR}/vlc-3.0.21-intel64.dmg
-                    )
+                if (NOT EXISTS ${CMAKE_BINARY_DIR}/vlc-3.0.21-intel64.dmg)
+                    file(DOWNLOAD
+                        https://get.videolan.org/vlc/3.0.21/macosx/vlc-3.0.21-intel64.dmg
+                        ${CMAKE_BINARY_DIR}/vlc-3.0.21-intel64.dmg
+                        )
+                endif (NOT EXISTS ${CMAKE_BINARY_DIR}/vlc-3.0.21-intel64.dmg)
                 file(WRITE ${PREBUILD_TRACKING_DIR}/vlc_installed "0")
             endif (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/vlc_installed OR NOT ${vlc_installed} EQUAL 0)
             execute_process(
diff --git a/indra/cmake/Meshoptimizer.cmake b/indra/cmake/Meshoptimizer.cmake
index 62d5c558ac..a47c59c96b 100644
--- a/indra/cmake/Meshoptimizer.cmake
+++ b/indra/cmake/Meshoptimizer.cmake
@@ -18,10 +18,12 @@ endif (NOT USESYSTEMLIBS)
 if (${LINUX_DISTRO} MATCHES fedora OR DARWIN OR NOT USESYSTEMLIBS)
   if (USESYSTEMLIBS)
     if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/meshoptimizer_installed OR NOT ${meshoptimizer_installed} EQUAL 0)
-      file(DOWNLOAD
-        https://github.com/zeux/meshoptimizer/archive/refs/tags/v0.21.tar.gz
-        ${CMAKE_BINARY_DIR}/meshoptimizer-0.21.tar.gz
-        )
+      if (NOT EXISTS ${CMAKE_BINARY_DIR}/meshoptimizer-0.21.tar.gz)
+        file(DOWNLOAD
+          https://github.com/zeux/meshoptimizer/archive/refs/tags/v0.21.tar.gz
+          ${CMAKE_BINARY_DIR}/meshoptimizer-0.21.tar.gz
+          )
+      endif (NOT EXISTS ${CMAKE_BINARY_DIR}/meshoptimizer-0.21.tar.gz)
       file(ARCHIVE_EXTRACT
         INPUT ${CMAKE_BINARY_DIR}/meshoptimizer-0.21.tar.gz
         DESTINATION ${CMAKE_BINARY_DIR}
diff --git a/indra/cmake/OpenJPEG.cmake b/indra/cmake/OpenJPEG.cmake
index 75f39ce8bc..d2c9d95c9b 100644
--- a/indra/cmake/OpenJPEG.cmake
+++ b/indra/cmake/OpenJPEG.cmake
@@ -15,10 +15,12 @@ elseif (${LINUX_DISTRO} MATCHES fedora OR DARWIN OR CMAKE_SYSTEM_NAME MATCHES Fr
 endif (NOT USESYSTEMLIBS)
 if (USESYSTEMLIBS AND (${LINUX_DISTRO} MATCHES fedora OR DARWIN OR CMAKE_SYSTEM_NAME MATCHES FreeBSD))
   if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/openjpeg_installed OR NOT ${openjpeg_installed} EQUAL 0)
-    file(DOWNLOAD
-      https://github.com/uclouvain/openjpeg/archive/refs/tags/v2.5.2.tar.gz
-      ${CMAKE_BINARY_DIR}/openjpeg-2.5.2.tar.gz
-      )
+    if (NOT EXISTS ${CMAKE_BINARY_DIR}/openjpeg-2.5.2.tar.gz)
+      file(DOWNLOAD
+        https://github.com/uclouvain/openjpeg/archive/refs/tags/v2.5.2.tar.gz
+        ${CMAKE_BINARY_DIR}/openjpeg-2.5.2.tar.gz
+        )
+    endif (NOT EXISTS ${CMAKE_BINARY_DIR}/openjpeg-2.5.2.tar.gz)
     file(ARCHIVE_EXTRACT
       INPUT ${CMAKE_BINARY_DIR}/openjpeg-2.5.2.tar.gz
       DESTINATION ${CMAKE_BINARY_DIR}
diff --git a/indra/cmake/ViewerMiscLibs.cmake b/indra/cmake/ViewerMiscLibs.cmake
index cb26a7b1b8..4df54e2b59 100644
--- a/indra/cmake/ViewerMiscLibs.cmake
+++ b/indra/cmake/ViewerMiscLibs.cmake
@@ -19,19 +19,23 @@ use_prebuilt_binary(nanosvg)
 elseif (${LINUX_DISTRO} MATCHES debian OR DARWIN)
   if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/nanosvg_installed OR NOT ${nanosvg_installed} EQUAL 0)
     if (DARWIN)
-      file(DOWNLOAD
-        https://automated-builds-secondlife-com.s3.amazonaws.com/ct2/115452/994130/nanosvg-2022.09.27-darwin64-580364.tar.bz2
-        ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-darwin64-580364.tar.bz2
-        )
+      if (NOT EXISTS ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-darwin64-580364.tar.bz2)
+        file(DOWNLOAD
+          https://automated-builds-secondlife-com.s3.amazonaws.com/ct2/115452/994130/nanosvg-2022.09.27-darwin64-580364.tar.bz2
+          ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-darwin64-580364.tar.bz2
+          )
+      endif (NOT EXISTS ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-darwin64-580364.tar.bz2)
       file(ARCHIVE_EXTRACT
         INPUT ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-darwin64-580364.tar.bz2
         DESTINATION ${LIBS_PREBUILT_DIR}
         )
     else (DARWIN)
-      file(DOWNLOAD
-        https://automated-builds-secondlife-com.s3.amazonaws.com/ct2/115397/993664/nanosvg-2022.09.27-linux-580337.tar.bz2
-        ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-linux-580337.tar.bz2
-        )
+      if (NOT EXISTS ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-linux-580337.tar.bz2)
+        file(DOWNLOAD
+          https://automated-builds-secondlife-com.s3.amazonaws.com/ct2/115397/993664/nanosvg-2022.09.27-linux-580337.tar.bz2
+          ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-linux-580337.tar.bz2
+          )
+      endif (NOT EXISTS ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-linux-580337.tar.bz2)
       file(ARCHIVE_EXTRACT
         INPUT ${CMAKE_BINARY_DIR}/nanosvg-2022.09.27-linux-580337.tar.bz2
         DESTINATION ${LIBS_PREBUILT_DIR}
diff --git a/indra/cmake/XmlRpcEpi.cmake b/indra/cmake/XmlRpcEpi.cmake
index b9a3ac1c14..c49fe6bc9a 100644
--- a/indra/cmake/XmlRpcEpi.cmake
+++ b/indra/cmake/XmlRpcEpi.cmake
@@ -9,10 +9,12 @@ use_system_binary( xmlrpc-epi )
 
 use_prebuilt_binary(xmlrpc-epi)
 elseif (DARWIN AND (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/xmlrpc-epi_installed OR NOT ${xmlrpc-epi_installed} EQUAL 0))
-  file(DOWNLOAD
-    https://sourceforge.net/projects/xmlrpc-epi/files/xmlrpc-epi-base/0.54.2/xmlrpc-epi-0.54.2.tar.bz2
-    ${CMAKE_BINARY_DIR}/xmlrpc-epi-0.54.2.tar.bz2
-    )
+  if (NOT EXISTS ${CMAKE_BINARY_DIR}/xmlrpc-epi-0.54.2.tar.bz2)
+    file(DOWNLOAD
+      https://sourceforge.net/projects/xmlrpc-epi/files/xmlrpc-epi-base/0.54.2/xmlrpc-epi-0.54.2.tar.bz2
+      ${CMAKE_BINARY_DIR}/xmlrpc-epi-0.54.2.tar.bz2
+      )
+  endif (NOT EXISTS ${CMAKE_BINARY_DIR}/xmlrpc-epi-0.54.2.tar.bz2)
   file(ARCHIVE_EXTRACT
     INPUT ${CMAKE_BINARY_DIR}/xmlrpc-epi-0.54.2.tar.bz2
     DESTINATION ${CMAKE_BINARY_DIR}
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index 3c8c8031f2..3cf12408b4 100644
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -297,10 +297,12 @@ target_include_directories(llcommon PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 if (CMAKE_OSX_ARCHITECTURES MATCHES arm64)
   if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/sse2neon_installed OR NOT ${sse2neon_installed} EQUAL 0)
     file(MAKE_DIRECTORY ${LIBS_PREBUILT_DIR}/include/sse2neon)
-    file(DOWNLOAD
-      https://raw.githubusercontent.com/DLTcollab/sse2neon/master/sse2neon.h
-      ${LIBS_PREBUILT_DIR}/include/sse2neon/sse2neon.h
-      )
+    if (NOT EXISTS ${LIBS_PREBUILT_DIR}/include/sse2neon/sse2neon.h)
+      file(DOWNLOAD
+        https://raw.githubusercontent.com/DLTcollab/sse2neon/master/sse2neon.h
+        ${LIBS_PREBUILT_DIR}/include/sse2neon/sse2neon.h
+        )
+    endif (NOT EXISTS ${LIBS_PREBUILT_DIR}/include/sse2neon/sse2neon.h)
     file(WRITE ${PREBUILD_TRACKING_DIR}/sse2neon_installed "0")
   endif (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/sse2neon_installed OR NOT ${sse2neon_installed} EQUAL 0)
   target_include_directories(llcommon PUBLIC ${LIBS_PREBUILT_DIR}/include/sse2neon)