build: Added support to find argp on BSD.

cmake/Modules/FindArgp.cmake

@@ -0,0 +1,60 @@
+# - Try to find Argp
+# Once done this will define
+#
+#  ARGP_FOUND - system has Argp
+#  ARGP_INCLUDE_DIRS - the Argp include directory
+#  ARGP_LIBRARIES - Link these to use Argp
+#  ARGP_DEFINITIONS - Compiler switches required for using Argp
+#
+#  Copyright (c) 2010 Andreas Schneider <asn@cynapses.org>
+#
+#  Redistribution and use is allowed according to the terms of the New
+#  BSD license.
+#  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+#
+
+
+if (ARGP_LIBRARIES AND ARGP_INCLUDE_DIRS)
+  # in cache already
+  set(ARGP_FOUND TRUE)
+else (ARGP_LIBRARIES AND ARGP_INCLUDE_DIRS)
+
+  find_path(ARGP_INCLUDE_DIR
+    NAMES
+      argp.h
+    PATHS
+      /usr/include
+      /usr/local/include
+      /opt/local/include
+      /sw/include
+  )
+
+  find_library(ARGP_LIBRARY
+    NAMES
+      argp
+    PATHS
+      /usr/lib
+      /usr/local/lib
+      /opt/local/lib
+      /sw/lib
+  )
+
+  set(ARGP_INCLUDE_DIRS
+    ${ARGP_INCLUDE_DIR}
+  )
+
+  if (ARGP_LIBRARY)
+    set(ARGP_LIBRARIES
+        ${ARGP_LIBRARIES}
+        ${ARGP_LIBRARY}
+    )
+  endif (ARGP_LIBRARY)
+
+  include(FindPackageHandleStandardArgs)
+  find_package_handle_standard_args(Argp DEFAULT_MSG ARGP_LIBRARIES ARGP_INCLUDE_DIRS)
+
+  # show the ARGP_INCLUDE_DIRS and ARGP_LIBRARIES variables only in the advanced view
+  mark_as_advanced(ARGP_INCLUDE_DIRS ARGP_LIBRARIES)
+
+endif (ARGP_LIBRARIES AND ARGP_INCLUDE_DIRS)
+

tests/CMakeLists.txt

@@ -1,18 +1,22 @@
 project(tests C)
 
+if (${CMAKE_SYSTEM_NAME} MATCHES "(OpenBSD|FreeBSD)")
+    find_package(Argp)
+endif (${CMAKE_SYSTEM_NAME} MATCHES "(OpenBSD|FreeBSD)")
 
 set(TORTURE_LIBRARY torture)
 
 include_directories(
   ${LIBSSH_PUBLIC_INCLUDE_DIRS}
   ${CHECK_INCLUDE_DIRS}
+  ${ARGP_INCLUDE_DIRS}
   ${CMAKE_BINARY_DIR}
   ${CMAKE_CURRENT_SOURCE_DIR}
 )
 
 # create test library
 add_library(${TORTURE_LIBRARY} SHARED torture.c cmdline.c)
-target_link_libraries(${TORTURE_LIBRARY} ${CHECK_LIBRARIES} ${LIBSSH_STATIC_LIBRARY} ${LIBSSH_LINK_LIBRARIES})
+target_link_libraries(${TORTURE_LIBRARY} ${CHECK_LIBRARIES} ${LIBSSH_STATIC_LIBRARY} ${LIBSSH_LINK_LIBRARIES} ${ARGP_LIBRARIES})
 
 set(TEST_TARGET_LIBRARIES ${SUPPORT_LIBRARY} ${LIBSSH_LINK_LIBRARIES})