1# From http://code.google.com/p/pam-face-authentication/source/browse/branches/pam_face_authentication/cmake/modules/FindPAM.cmake?r=336 2 3# - Try to find the PAM libraries 4# Once done this will define 5# 6# PAM_FOUND - system has pam 7# PAM_INCLUDE_DIR - the pam include directory 8# PAM_LIBRARIES - libpam library 9 10if (PAM_INCLUDE_DIR AND PAM_LIBRARY) 11 # Already in cache, be silent 12 set(PAM_FIND_QUIETLY TRUE) 13endif (PAM_INCLUDE_DIR AND PAM_LIBRARY) 14 15find_path(PAM_INCLUDE_DIR NAMES security/pam_appl.h pam/pam_appl.h) 16find_library(PAM_LIBRARY pam) 17find_library(DL_LIBRARY dl) 18 19if (PAM_INCLUDE_DIR AND PAM_LIBRARY) 20 set(PAM_FOUND TRUE) 21 if (DL_LIBRARY) 22 set(PAM_LIBRARIES ${PAM_LIBRARY} ${DL_LIBRARY}) 23 else (DL_LIBRARY) 24 set(PAM_LIBRARIES ${PAM_LIBRARY}) 25 endif (DL_LIBRARY) 26 27 if (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h) 28 # darwin claims to be something special 29 set(HAVE_PAM_PAM_APPL_H 1) 30 endif (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h) 31 32 if (NOT DEFINED PAM_MESSAGE_CONST) 33 include(CheckCXXSourceCompiles) 34 # XXX does this work with plain c? 35 check_cxx_source_compiles(" 36#if ${HAVE_PAM_PAM_APPL_H}+0 37# include <pam/pam_appl.h> 38#else 39# include <security/pam_appl.h> 40#endif 41static int PAM_conv( 42 int num_msg, 43 const struct pam_message **msg, /* this is the culprit */ 44 struct pam_response **resp, 45 void *ctx) 46{ 47 return 0; 48} 49int main(void) 50{ 51 struct pam_conv PAM_conversation = { 52 &PAM_conv, /* this bombs out if the above does not match */ 53 0 54 }; 55 return 0; 56} 57" PAM_MESSAGE_CONST) 58 endif (NOT DEFINED PAM_MESSAGE_CONST) 59 set(PAM_MESSAGE_CONST ${PAM_MESSAGE_CONST} CACHE BOOL "PAM expects a conversation function with const pam_message") 60 61endif (PAM_INCLUDE_DIR AND PAM_LIBRARY) 62 63if (PAM_FOUND) 64 if (NOT PAM_FIND_QUIETLY) 65 message(STATUS "Found PAM: ${PAM_LIBRARIES}") 66 endif (NOT PAM_FIND_QUIETLY) 67else (PAM_FOUND) 68 if (PAM_FIND_REQUIRED) 69 message(FATAL_ERROR "PAM was not found") 70 endif(PAM_FIND_REQUIRED) 71endif (PAM_FOUND) 72 73mark_as_advanced(PAM_INCLUDE_DIR PAM_LIBRARY DL_LIBRARY PAM_MESSAGE_CONST) 74