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CMake: fall back to OpenSSL on older OS X

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Starting at OS X 10.8, the Security framework offers some functions
which are unified across OS X and iOS. These are the functions that we
use.

Older versions of OS X do not have these functions and we fail to
compile. In these situations, fall back to using OpenSSL for our TLS
stream instead.
This commit is contained in:
Carlos Martín Nieto 2015-08-19 12:53:31 +02:00
parent a38afb9547
commit b445940e2d
1 changed files with 12 additions and 2 deletions
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14
CMakeLists.txt
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@ -152,8 +152,18 @@ STRING(REGEX REPLACE "^.*LIBGIT2_SOVERSION ([0-9]+)$" "\\1" LIBGIT2_SOVERSION "$
INCLUDE_DIRECTORIES(src include)
IF (SECURITY_FOUND)
MESSAGE("-- Found Security ${SECURITY_DIRS}")
LIST(APPEND LIBGIT2_PC_LIBS "-framework Security")
# OS X 10.7 and older do not have some functions we use, fall back to OpenSSL there
CHECK_LIBRARY_EXISTS("${SECURITY_DIRS}" SSLCreateContext "Security/SecureTransport.h" HAVE_NEWER_SECURITY)
IF (HAVE_NEWER_SECURITY)
MESSAGE("-- Found Security ${SECURITY_DIRS}")
LIST(APPEND LIBGIT2_PC_LIBS "-framework Security")
ELSE()
MESSAGE("-- Security framework is too old, falling back to OpenSSL")
SET(SECURITY_FOUND "NO")
SET(SECURITY_DIRS "")
SET(SECURITY_DIR "")
SET(USE_OPENSSL "ON")
ENDIF()
ENDIF()
IF (COREFOUNDATION_FOUND)