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# - Try to find the PAM libraries
# Once done this will define
#
# PAM_FOUND - system has pam
# PAM_INCLUDE_DIR - the pam include directory
# PAM_LIBRARIES - libpam library
if (PAM_INCLUDE_DIR AND PAM_LIBRARY)
# Already in cache, be silent
set(PAM_FIND_QUIETLY TRUE)
endif (PAM_INCLUDE_DIR AND PAM_LIBRARY)
find_path(PAM_INCLUDE_DIR NAMES security/pam_appl.h pam/pam_appl.h)
find_library(PAM_LIBRARY pam)
find_library(DL_LIBRARY dl)
if (PAM_INCLUDE_DIR AND PAM_LIBRARY)
set(PAM_FOUND TRUE)
if (DL_LIBRARY)
set(PAM_LIBRARIES ${PAM_LIBRARY} ${DL_LIBRARY})
else (DL_LIBRARY)
set(PAM_LIBRARIES ${PAM_LIBRARY})
endif (DL_LIBRARY)
if (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h)
# darwin claims to be something special
set(HAVE_PAM_PAM_APPL_H 1)
endif (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h)
if (NOT DEFINED PAM_MESSAGE_CONST)
include(CheckCXXSourceCompiles)
# XXX does this work with plain c?
check_cxx_source_compiles("
#if ${HAVE_PAM_PAM_APPL_H}+0
# include <pam/pam_appl.h>
#else
# include <security/pam_appl.h>
#endif
static int PAM_conv(
int num_msg,
const struct pam_message **msg, /* this is the culprit */
struct pam_response **resp,
void *ctx)
{
return 0;
}
int main(void)
{
struct pam_conv PAM_conversation = {
&PAM_conv, /* this bombs out if the above does not match */
0
};
return 0;
}
" PAM_MESSAGE_CONST)
endif (NOT DEFINED PAM_MESSAGE_CONST)
set(PAM_MESSAGE_CONST ${PAM_MESSAGE_CONST} CACHE BOOL "PAM expects a conversation function with const pam_message")
endif (PAM_INCLUDE_DIR AND PAM_LIBRARY)
if (PAM_FOUND)
if (NOT PAM_FIND_QUIETLY)
message(STATUS "Found PAM: ${PAM_LIBRARIES}")
endif (NOT PAM_FIND_QUIETLY)
else (PAM_FOUND)
if (PAM_FIND_REQUIRED)
message(FATAL_ERROR "PAM was not found")
endif(PAM_FIND_REQUIRED)
endif (PAM_FOUND)
mark_as_advanced(PAM_INCLUDE_DIR PAM_LIBRARY DL_LIBRARY PAM_MESSAGE_CONST)
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