cmake: Fixed compatibility issues with "CPM.cmake" in combination with the libraries MBedTLS and libgcrypt.

Signed-off-by: Davidwed <davidwe@posteo.de>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
(cherry picked from commit 7712c7d0f9)

cmake/Modules/FindGCrypt.cmake

@@ -39,6 +39,15 @@ find_path(GCRYPT_INCLUDE_DIR
         include
 )
 
+find_path(GCRYPT_ERROR_INCLUDE_DIR
+    NAMES
+        gpg-error.h
+    HINTS
+        ${_GCRYPT_ROOT_HINTS_AND_PATHS}
+    PATH_SUFFIXES
+        include
+)
+
 find_library(GCRYPT_LIBRARY
     NAMES
         gcrypt
@@ -56,8 +65,10 @@ find_library(GCRYPT_ERROR_LIBRARY
         libgpg-error6-0
     HINTS
         ${_GCRYPT_ROOT_HINTS_AND_PATHS}
+    PATH_SUFFIXES
+        lib        
 )
-set(GCRYPT_LIBRARIES ${GCRYPT_LIBRARY}  ${GCRYPT_ERROR_LIBRARY})
+set(GCRYPT_LIBRARIES ${GCRYPT_ERROR_LIBRARY} ${GCRYPT_LIBRARY})
 
 if (GCRYPT_INCLUDE_DIR)
     file(STRINGS "${GCRYPT_INCLUDE_DIR}/gcrypt.h" _gcrypt_version_str REGEX "^#define GCRYPT_VERSION \"[0-9]+\\.[0-9]+\\.[0-9]")
@@ -83,5 +94,25 @@ else (GCRYPT_VERSION)
         GCRYPT_LIBRARIES)
 endif (GCRYPT_VERSION)
 
-# show the GCRYPT_INCLUDE_DIRS and GCRYPT_LIBRARIES variables only in the advanced view
+# show the GCRYPT_INCLUDE_DIRS, GCRYPT_LIBRARIES and GCRYPT_ERROR_INCLUDE_DIR variables only in the advanced view
-mark_as_advanced(GCRYPT_INCLUDE_DIR GCRYPT_LIBRARIES)
+mark_as_advanced(GCRYPT_INCLUDE_DIR GCRYPT_ERROR_INCLUDE_DIR GCRYPT_LIBRARIES)
+
+if(GCRYPT_FOUND)
+  if(NOT TARGET libgcrypt::libgcrypt)
+      add_library(libgcrypt::libgcrypt UNKNOWN IMPORTED)
+      set_target_properties(libgcrypt::libgcrypt PROPERTIES
+                            INTERFACE_INCLUDE_DIRECTORIES "${GCRYPT_INCLUDE_DIR}"
+                            INTERFACE_LINK_LIBRARIES libgcrypt::libgcrypt
+                            IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                            IMPORTED_LOCATION "${GCRYPT_LIBRARY}")
+  endif()
+  
+  if(NOT TARGET libgpg-error::libgpg-error)
+      add_library(libgpg-error::libgpg-error UNKNOWN IMPORTED)
+      set_target_properties(libgpg-error::libgpg-error PROPERTIES
+                            INTERFACE_INCLUDE_DIRECTORIES "${GCRYPT_ERROR_INCLUDE_DIR}"
+                            INTERFACE_LINK_LIBRARIES libgpg-error::libgpg-error
+                            IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                            IMPORTED_LOCATION "${GCRYPT_ERROR_LIBRARY}")
+  endif()
+endif()

cmake/Modules/FindMbedTLS.cmake

@@ -110,3 +110,32 @@ endif (MBEDTLS_VERSION)
 
 # show the MBEDTLS_INCLUDE_DIRS and MBEDTLS_LIBRARIES variables only in the advanced view
 mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARIES)
+
+if(MBEDTLS_FOUND)
+  if(NOT TARGET MbedTLS::mbedcrypto)
+      add_library(MbedTLS::mbedcrypto UNKNOWN IMPORTED)
+      set_target_properties(MbedTLS::mbedcrypto PROPERTIES
+                            INTERFACE_INCLUDE_DIRECTORIES "${MBEDTLS_INCLUDE_DIR}"
+                            INTERFACE_LINK_LIBRARIES MbedTLS::mbedcrypto
+                            IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                            IMPORTED_LOCATION "${MBEDTLS_CRYPTO_LIBRARY}")
+  endif()
+
+  if(NOT TARGET MbedTLS::mbedx509)
+      add_library(MbedTLS::mbedx509 UNKNOWN IMPORTED)
+      set_target_properties(MbedTLS::mbedx509 PROPERTIES
+                            INTERFACE_INCLUDE_DIRECTORIES "${MBEDTLS_INCLUDE_DIR}"
+                            INTERFACE_LINK_LIBRARIES MbedTLS::mbedx509
+                            IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                            IMPORTED_LOCATION "${MBEDTLS_X509_LIBRARY}")
+  endif()
+
+  if(NOT TARGET MbedTLS::mbedtls)
+      add_library(MbedTLS::mbedtls UNKNOWN IMPORTED)
+      set_target_properties(MbedTLS::mbedtls PROPERTIES
+                            INTERFACE_INCLUDE_DIRECTORIES "${MBEDTLS_INCLUDE_DIR}"
+                            INTERFACE_LINK_LIBRARIES MbedTLS::mbedtls
+                            IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                            IMPORTED_LOCATION "${MBEDTLS_LIBRARY}")
+  endif()
+endif()

src/CMakeLists.txt

@@ -1,6 +1,7 @@
 set(LIBSSH_PUBLIC_INCLUDE_DIRS ${libssh_SOURCE_DIR}/include)
 
 set(LIBSSH_PRIVATE_INCLUDE_DIRS
+  ${libssh_BINARY_DIR}/include
   ${libssh_BINARY_DIR}
 )
 
@@ -12,27 +13,13 @@ if (TARGET OpenSSL::Crypto)
   list(APPEND LIBSSH_LINK_LIBRARIES OpenSSL::Crypto)
 endif ()
 
-if (MBEDTLS_CRYPTO_LIBRARY)
+if (TARGET MbedTLS::mbedcrypto)
-    set(LIBSSH_PRIVATE_INCLUDE_DIRS
+  list(APPEND LIBSSH_LINK_LIBRARIES MbedTLS::mbedcrypto)
-      ${LIBSSH_PRIVATE_INCLUDE_DIRS}
+endif ()
-      ${MBEDTLS_INCLUDE_DIR}
-    )
-  set(LIBSSH_LINK_LIBRARIES
-    ${LIBSSH_LINK_LIBRARIES}
-    ${MBEDTLS_CRYPTO_LIBRARY}
-  )
-endif (MBEDTLS_CRYPTO_LIBRARY)
 
-if (GCRYPT_LIBRARIES)
+if (TARGET libgcrypt::libgcrypt)
-  set(LIBSSH_PRIVATE_INCLUDE_DIRS
+  list(APPEND LIBSSH_LINK_LIBRARIES ${GCRYPT_LIBRARIES})
-    ${LIBSSH_PRIVATE_INCLUDE_DIRS}
+endif ()
-    ${GCRYPT_INCLUDE_DIR}
-  )
-
-  set(LIBSSH_LINK_LIBRARIES
-    ${LIBSSH_LINK_LIBRARIES}
-    ${GCRYPT_LIBRARIES})
-endif()
 
 if (WITH_ZLIB)
   list(APPEND LIBSSH_LINK_LIBRARIES ZLIB::ZLIB)