Check for crypt(3), also on FreeBSD

CMakeModules/FindCrypt.cmake

@@ -5,19 +5,30 @@
 # LIBCRYPT_LIBRARY, the path to libcrypt
 # LIBCRYPT_FOUND, whether libcrypt was found
 
+if( CMAKE_SYSTEM MATCHES "FreeBSD" )
+    # FreeBSD has crypt(3) declared in unistd.h, which lives in
+    # libc; the libcrypt found here is not used.
+    find_path( CRYPT_INCLUDE_DIR NAMES unistd.h )
+    add_definitions( -DNO_CRYPT_H )
+else()
+    find_path( CRYPT_INCLUDE_DIR
+        NAMES crypt.h
+        HINTS
+            ${CMAKE_INSTALL_INCLUDEDIR}
+        NO_CACHE
+    )
+endif()
 
-find_path( CRYPT_INCLUDE_DIR NAMES crypt.h
-    HINTS
-        ${CMAKE_INSTALL_INCLUDEDIR}
-)
-
-find_library( CRYPT_LIBRARIES NAMES crypt
+find_library( CRYPT_LIBRARIES
+    NAMES crypt
     HINTS
         ${CMAKE_INSTALL_LIBDIR}
 )
 
 include( FindPackageHandleStandardArgs )
-find_package_handle_standard_args( Crypt
-                                   REQUIRED_VARS CRYPT_LIBRARIES CRYPT_INCLUDE_DIR )
+find_package_handle_standard_args(
+    Crypt
+    REQUIRED_VARS CRYPT_LIBRARIES CRYPT_INCLUDE_DIR
+)
 
 mark_as_advanced( CRYPT_INCLUDE_DIR CRYPT_LIBRARIES )

src/modules/users/CMakeLists.txt

@@ -5,7 +5,7 @@ if( ECM_FOUND )
 endif()
 
 find_package( Qt5 COMPONENTS Core Test REQUIRED )
-find_package( Crypt )
+find_package( Crypt REQUIRED )
 
 include_directories( ${PROJECT_BINARY_DIR}/src/libcalamaresui )
 

src/modules/users/SetPasswordJob.cpp

@@ -27,7 +27,11 @@
 #include <QDir>
 
 #include <random>
+
+#ifndef NO_CRYPT_H
 #include <crypt.h>
+#endif
+#include <unistd.h>
 
 
 SetPasswordJob::SetPasswordJob( const QString& userName, const QString& newPassword )