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cmake: assume bcrypt.h with WinCNG

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autotools already didn't check for `bcrypt.h`, and such check is only
required for old/legacy mingw without obsolete/incomplete Windows
headers.

curl deprecated old-mingw support just recently and will delete support
in September 2023.

This patch saves some complexity and detection time by dropping this
check for CMake. Meaning that mingw-w64 is now required to compile
libssh2 when using the WinCNG backend for 32-bit builds. Other backends
and CPU platforms are not affected.

Ref: e4d5685cb5

Closes #1026
This commit is contained in:
Viktor Szakats
2023-05-04 09:10:37 +00:00
parent a9f1acabe3
commit 1289033598
1 changed files with 5 additions and 14 deletions
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9
CMakeLists.txt
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@@ -363,21 +363,12 @@ endif()
# Detect platform-specific crypto-backends last:
if(CRYPTO_BACKEND STREQUAL "WinCNG" OR NOT CRYPTO_BACKEND)
# The check actually compiles the header. This requires windows.h.
# Check necessary for old-MinGW
check_include_files("windows.h;bcrypt.h" HAVE_BCRYPT_H)
if(HAVE_BCRYPT_H)
set(CRYPTO_BACKEND "WinCNG")
set(CRYPTO_BACKEND_DEFINE "LIBSSH2_WINCNG")
set(CRYPTO_BACKEND_INCLUDE_DIR "")
list(APPEND LIBRARIES crypt32 bcrypt)
list(APPEND PC_LIBS -lcrypt32 -lbcrypt)
elseif(${SPECIFIC_CRYPTO_REQUIREMENT} STREQUAL ${REQUIRED})
message(FATAL_ERROR "WinCNG not available")
endif()
endif()
# Global functions