From 74eb309396a1c06b655f67e26b93dc8fb0f8cfcb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E6=98=A5=E4=B9=94?=
 <83450930+Liyulingyue@users.noreply.github.com>
Date: Fri, 11 Aug 2023 15:09:29 +0800
Subject: [PATCH] [cmake] add ginac third_party cache (#56165)

* Update ginac.cmake

* Update ginac.cmake

* Update ginac.cmake
---
 cmake/cinn/external/ginac.cmake | 70 +++++++++++++++++++++++++--------
 1 file changed, 53 insertions(+), 17 deletions(-)

diff --git a/cmake/cinn/external/ginac.cmake b/cmake/cinn/external/ginac.cmake
index 39e404c0aa1..8e17d39efda 100644
--- a/cmake/cinn/external/ginac.cmake
+++ b/cmake/cinn/external/ginac.cmake
@@ -5,32 +5,68 @@ include(ExternalProject)
 # ginac-1.8.1 https://www.ginac.de/ginac-1.8.1.tar.bz2
 #  all build with CFLAGS="-fPIC -DPIC" CXXFLAGS="-fPIC -DPIC" --enable-static=yes
 
+set(GINAC_FILE
+    "ginac-1.8.1_cln-1.3.6_gmp-6.2.1.tar.gz"
+    CACHE STRING "" FORCE)
 set(GINAC_DOWNLOAD_URL
-    https://paddle-inference-dist.bj.bcebos.com/CINN/ginac-1.8.1_cln-1.3.6_gmp-6.2.1.tar.gz
-)
-set(GINAC_MD5 ebc3e4b7770dd604777ac3f01bfc8b06)
+    "https://paddle-inference-dist.bj.bcebos.com/CINN/${GINAC_FILE}")
+set(GINAC_URL_MD5 ebc3e4b7770dd604777ac3f01bfc8b06)
+set(GINAC_DOWNLOAD_DIR ${PADDLE_SOURCE_DIR}/third_party/ginac)
+set(GINAC_PREFIX_DIR ${THIRD_PARTY_PATH}/ginac)
+set(GINAC_INSTALL_DIR ${THIRD_PARTY_PATH}/install/ginac)
+
+function(download_ginac)
+  message(
+    STATUS
+      "Downloading ${GINAC_DOWNLOAD_URL} to ${GINAC_DOWNLOAD_DIR}/${GINAC_FILE}"
+  )
+  file(
+    DOWNLOAD ${GINAC_DOWNLOAD_URL} ${GINAC_DOWNLOAD_DIR}/${GINAC_FILE}
+    EXPECTED_MD5 ${GINAC_URL_MD5}
+    STATUS ERR)
+  if(ERR EQUAL 0)
+    message(STATUS "Download ${GINAC_FILE} success")
+  else()
+    message(
+      FATAL_ERROR
+        "Download failed, error: ${ERR}\n You can try downloading ${GINAC_FILE} again"
+    )
+  endif()
+endfunction()
+
+# Download and check ginac.
+if(EXISTS ${GINAC_DOWNLOAD_DIR}/${GINAC_FILE})
+  file(MD5 ${GINAC_DOWNLOAD_DIR}/${GINAC_FILE} GINAC_MD5)
+  if(NOT GINAC_MD5 STREQUAL GINAC_URL_MD5)
+    # clean build file
+    file(REMOVE_RECURSE ${GINAC_PREFIX_DIR})
+    file(REMOVE_RECURSE ${GINAC_INSTALL_DIR})
+    download_ginac()
+  endif()
+else()
+  download_ginac()
+endif()
 
 ExternalProject_Add(
   external_ginac
   ${EXTERNAL_PROJECT_LOG_ARGS}
-  URL ${GINAC_DOWNLOAD_URL}
-  URL_MD5 ${GINAC_MD5}
-  PREFIX ${THIRD_PARTY_PATH}/ginac
-  SOURCE_DIR ${THIRD_PARTY_PATH}/install/ginac
+  URL ${GINAC_DOWNLOAD_DIR}/${GINAC_FILE}
+  URL_MD5 ${GINAC_URL_MD5}
+  DOWNLOAD_DIR ${GINAC_DOWNLOAD_DIR}
+  PREFIX ${GINAC_PREFIX_DIR}
+  SOURCE_DIR ${GINAC_INSTALL_DIR}
   CONFIGURE_COMMAND ""
   BUILD_COMMAND ""
   UPDATE_COMMAND ""
   INSTALL_COMMAND ""
-  BUILD_BYPRODUCTS ${THIRD_PARTY_PATH}/install/ginac/lib/libginac.a
-  BUILD_BYPRODUCTS ${THIRD_PARTY_PATH}/install/ginac/lib/libcln.a
-  BUILD_BYPRODUCTS ${THIRD_PARTY_PATH}/install/ginac/lib/libgmp.a)
+  BUILD_BYPRODUCTS ${GINAC_INSTALL_DIR}/lib/libginac.a
+  BUILD_BYPRODUCTS ${GINAC_INSTALL_DIR}/lib/libcln.a
+  BUILD_BYPRODUCTS ${GINAC_INSTALL_DIR}/lib/libgmp.a)
 
 add_library(ginac STATIC IMPORTED GLOBAL)
 add_dependencies(ginac external_ginac)
-set_property(
-  TARGET ginac PROPERTY IMPORTED_LOCATION
-                        ${THIRD_PARTY_PATH}/install/ginac/lib/libginac.a)
-target_link_libraries(
-  ginac INTERFACE ${THIRD_PARTY_PATH}/install/ginac/lib/libcln.a
-                  ${THIRD_PARTY_PATH}/install/ginac/lib/libgmp.a)
-include_directories(${THIRD_PARTY_PATH}/install/ginac/include)
+set_property(TARGET ginac PROPERTY IMPORTED_LOCATION
+                                   ${GINAC_INSTALL_DIR}/lib/libginac.a)
+target_link_libraries(ginac INTERFACE ${GINAC_INSTALL_DIR}/lib/libcln.a
+                                      ${GINAC_INSTALL_DIR}/lib/libgmp.a)
+include_directories(${GINAC_INSTALL_DIR}/include)
-- 
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