Add Find Cmake files for libhogweed and libgmp required by nettle

CMakeLists.txt

@@ -91,6 +91,12 @@ find_package(OpenSSL REQUIRED)
 # Mandatory: Nettle 
 find_package(Nettle REQUIRED)
 
+# Mandatory: Hogweed 
+find_package(Hogweed REQUIRED)
+
+# Mandatory: GMP 
+find_package(GMP REQUIRED)
+
 # Mandatory: KF5
 find_package(KF5 REQUIRED COMPONENTS Archive)
 

cmake/FindGMP.cmake

@@ -0,0 +1,16 @@
+if (GMP_INCLUDE_DIR AND GMP_LIBRARY)
+  set(GMP_FIND_QUIETLY TRUE)
+endif (GMP_INCLUDE_DIR AND GMP_LIBRARY)
+
+find_path(GMP_INCLUDE_DIR NAMES gmp.h 
+            PATHS $ENV{GMPDIR} ${INCLUDE_INSTALL_DIR}
+)
+
+find_library(GMP_LIBRARY gmp 
+            PATHS $ENV{GMPDIR} ${LIB_INSTALL_DIR}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GMP DEFAULT_MSG
+                                  GMP_INCLUDE_DIR GMP_LIBRARY)
+mark_as_advanced(GMP_INCLUDE_DIR GMP_LIBRARY)

cmake/FindHogweed.cmake

@@ -0,0 +1,12 @@
+if (HOGWEED_LIBRARY)
+  set(HOGWEED_FIND_QUIETLY TRUE)
+endif (HOGWEED_LIBRARY)
+
+find_library(HOGWEED_LIBRARY hogweed
+            PATHS $ENV{HOGWEEDDIR} ${LIB_INSTALL_DIR}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(HOGWEED DEFAULT_MSG 
+                                HOGWEED_LIBRARY)
+mark_as_advanced(HOGWEED_LIBRARY)

src/lib/CMakeLists.txt

@@ -41,6 +41,7 @@ include_directories(
 
 include_directories(${OPENSSL_INCLUDE_DIR})
 include_directories(${NETTLE_INCLUDE_DIR})
+include_directories(${GMP_INCLUDE_DIR})
 
 set(SRCS ${SRCS}
     3rdparty/fancytabwidget.cpp
@@ -360,6 +361,8 @@ target_link_libraries(FalkonPrivate
     KF5::Archive
     ${OPENSSL_CRYPTO_LIBRARY}
     ${NETTLE_LIBRARY}
+    ${GMP_LIBRARY}
+    ${HOGWEED_LIBRARY}
 )
 
 if (UNIX AND NOT APPLE)