Merge #6777 from justinmk/bsd

CMakeLists.txt

@@ -228,7 +228,7 @@ else()
 
   # On FreeBSD 64 math.h uses unguarded C11 extension, which taints clang
   # 3.4.1 used there.
-  if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+  if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" AND CMAKE_C_COMPILER_ID MATCHES "Clang")
     add_definitions(-Wno-c11-extensions)
   endif()
 endif()
@@ -456,7 +456,6 @@ include(InstallHelpers)
 file(GLOB MANPAGES
   RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
   man/nvim.1)
-
 install_helper(
   FILES ${MANPAGES}
   DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)

cmake/InstallHelpers.cmake

@@ -1,3 +1,12 @@
+# Fix CMAKE_INSTALL_MANDIR on BSD before including GNUInstallDirs. #6771
+if(CMAKE_SYSTEM_NAME MATCHES "BSD" AND NOT DEFINED CMAKE_INSTALL_MANDIR)
+  if(DEFINED ENV{MANPREFIX})
+    set(CMAKE_INSTALL_MANDIR "$ENV{MANPREFIX}/man")
+  else()
+    set(CMAKE_INSTALL_MANDIR "/usr/local/man")
+  endif()
+endif()
+
 # For $CMAKE_INSTALL_{DATAROOT,MAN, ...}DIR
 include(GNUInstallDirs)
 

src/nvim/os/pty_process_unix.c

@@ -12,7 +12,7 @@
 #include <sys/ioctl.h>
 
 // forkpty is not in POSIX, so headers are platform-specific
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined (__DragonFly__)
 # include <libutil.h>
 #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
 # include <util.h>