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ExternalProject: Fix file download script with CMAKE_TLS_{VERIFY,CAINFO} 

Avoid generating incorrect code such as

    set(CMAKE_TLS_VERIFY set(CMAKE_TLS_VERIFY 1))

when one of these variables is set in the calling project.
This commit is contained in:
Brad King 2016-04-06 16:21:16 -04:00
parent 23a71e4e4d
commit 4d8c988caa
1 changed files with 9 additions and 6 deletions
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15
Modules/ExternalProject.cmake
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@ -859,12 +859,15 @@ function(_ep_write_downloadfile_script script_filename remote local timeout no_p
set(hash_check "")
endif()
set(tls_verify_code "")
set(tls_cainfo_code "")
# check for curl globals in the project
if(DEFINED CMAKE_TLS_VERIFY)
set(tls_verify "set(CMAKE_TLS_VERIFY ${CMAKE_TLS_VERIFY})")
set(tls_verify_code "set(CMAKE_TLS_VERIFY ${CMAKE_TLS_VERIFY})")
endif()
if(DEFINED CMAKE_TLS_CAINFO)
set(tls_cainfo "set(CMAKE_TLS_CAINFO \"${CMAKE_TLS_CAINFO}\")")
set(tls_cainfo_code "set(CMAKE_TLS_CAINFO \"${CMAKE_TLS_CAINFO}\")")
endif()
# now check for curl locals so that the local values
@ -873,12 +876,12 @@ function(_ep_write_downloadfile_script script_filename remote local timeout no_p
# check for tls_verify argument
string(LENGTH "${tls_verify}" tls_verify_len)
if(tls_verify_len GREATER 0)
set(tls_verify "set(CMAKE_TLS_VERIFY ${tls_verify})")
set(tls_verify_code "set(CMAKE_TLS_VERIFY ${tls_verify})")
endif()
# check for tls_cainfo argument
string(LENGTH "${tls_cainfo}" tls_cainfo_len)
if(tls_cainfo_len GREATER 0)
set(tls_cainfo "set(CMAKE_TLS_CAINFO \"${tls_cainfo}\")")
set(tls_cainfo_code "set(CMAKE_TLS_CAINFO \"${tls_cainfo}\")")
endif()
file(WRITE ${script_filename}
@ -887,8 +890,8 @@ function(_ep_write_downloadfile_script script_filename remote local timeout no_p
dst='${local}'
timeout='${timeout_msg}'\")
${tls_verify}
${tls_cainfo}
${tls_verify_code}
${tls_cainfo_code}
file(DOWNLOAD
\"${remote}\"