cmake: rewrite PAM module

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2021-02-24 10:17:46 +02:00
parent c1caca5927
commit 6ea63f1018

View file

@ -5,28 +5,21 @@
# PAM_INCLUDE_DIR - the pam include directory # PAM_INCLUDE_DIR - the pam include directory
# PAM_LIBRARIES - libpam library # PAM_LIBRARIES - libpam library
# PAM_MESSAGE_CONST - libpam pam_message struct is const # PAM_MESSAGE_CONST - libpam pam_message struct is const
#
# Copyright (c) 2021, Ivailo Monev, <xakepa10@gmail.com>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
if (PAM_INCLUDE_DIR AND PAM_LIBRARY) find_path(PAM_INCLUDE_DIR NAMES security/pam_appl.h)
# 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(PAM_LIBRARY pam)
find_library(DL_LIBRARY dl) find_library(DL_LIBRARY dl)
if (PAM_INCLUDE_DIR AND PAM_LIBRARY)
set(PAM_FOUND TRUE)
if(DL_LIBRARY) if(DL_LIBRARY)
set(PAM_LIBRARIES ${PAM_LIBRARY} ${DL_LIBRARY}) set(PAM_LIBRARIES ${PAM_LIBRARY} ${DL_LIBRARY})
else (DL_LIBRARY) else()
set(PAM_LIBRARIES ${PAM_LIBRARY}) set(PAM_LIBRARIES ${PAM_LIBRARY})
endif (DL_LIBRARY) endif()
if (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h)
# darwin claims to be something special
set(HAVE_PAM_PAM_APPL_H 1)
endif (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h)
if(NOT DEFINED PAM_MESSAGE_CONST) if(NOT DEFINED PAM_MESSAGE_CONST)
include(CheckCXXSourceCompiles) include(CheckCXXSourceCompiles)
@ -35,11 +28,7 @@ if (PAM_INCLUDE_DIR AND PAM_LIBRARY)
set(CMAKE_REQUIRED_INCLUDES "${PAM_INCLUDE_DIR}") set(CMAKE_REQUIRED_INCLUDES "${PAM_INCLUDE_DIR}")
# XXX does this work with plain c? # XXX does this work with plain c?
check_cxx_source_compiles(" check_cxx_source_compiles("
#if ${HAVE_PAM_PAM_APPL_H}+0
# include <pam/pam_appl.h>
#else
#include <security/pam_appl.h> #include <security/pam_appl.h>
#endif
static int PAM_conv( static int PAM_conv(
int num_msg, int num_msg,
@ -61,19 +50,12 @@ int main(void)
} }
" PAM_MESSAGE_CONST) " PAM_MESSAGE_CONST)
cmake_reset_check_state() cmake_reset_check_state()
endif (NOT DEFINED PAM_MESSAGE_CONST) endif()
set(PAM_MESSAGE_CONST ${PAM_MESSAGE_CONST} CACHE BOOL "PAM expects a conversation function with const pam_message") 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) include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(PAM
if (PAM_FOUND) REQUIRED_VARS PAM_LIBRARIES PAM_INCLUDE_DIR
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) mark_as_advanced(PAM_INCLUDE_DIR PAM_LIBRARY DL_LIBRARY PAM_MESSAGE_CONST)