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authorAndreas Schneider <asn@samba.org>2018-09-27 18:31:26 +0200
committerAndreas Schneider <asn@samba.org>2018-10-23 15:38:58 +0200
commit702f2fb52f90273b86ef6d1f117814bd08fcc542 (patch)
treed9a6535673fe50efd8143b0598b07effbf6a7e36 /ConfigureChecks.cmake
parent62080ac13dd2c5e38c49412bced652f1b314bda0 (diff)
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socket_wrapper-702f2fb52f90273b86ef6d1f117814bd08fcc542.tar.xz
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cmake: Fix checking for required system libraries
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
Diffstat (limited to 'ConfigureChecks.cmake')
-rw-r--r--ConfigureChecks.cmake24
1 files changed, 13 insertions, 11 deletions
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 9ced360..cb5bf53 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -70,25 +70,33 @@ check_function_exists(pledge HAVE_PLEDGE)
if (UNIX)
+ find_library(DLFCN_LIBRARY dl)
+ if (DLFCN_LIBRARY)
+ string(APPEND _REQUIRED_LIBRARIES ${DLFCN_LIBRARY})
+ else()
+ check_function_exists(dlopen HAVE_DLOPEN)
+ if (NOT HAVE_DLOPEN)
+ message(FATAL_ERROR "FATAL: No dlopen() function detected")
+ endif()
+ endif()
+
if (NOT LINUX)
# libsocket (Solaris)
check_library_exists(socket getaddrinfo "" HAVE_LIBSOCKET)
if (HAVE_LIBSOCKET)
- set(_REQUIRED_LIBRARIES ${_REQUIRED_LIBRARIES} socket)
+ string(APPEND _REQUIRED_LIBRARIES socket)
endif (HAVE_LIBSOCKET)
# libnsl/inet_pton (Solaris)
check_library_exists(nsl inet_pton "" HAVE_LIBNSL)
if (HAVE_LIBNSL)
- set(_REQUIRED_LIBRARIES ${_REQUIRED_LIBRARIES} nsl)
+ string(APPEND _REQUIRED_LIBRARIES nsl)
endif (HAVE_LIBNSL)
endif (NOT LINUX)
check_function_exists(getaddrinfo HAVE_GETADDRINFO)
endif (UNIX)
-set(SWRAP_REQUIRED_LIBRARIES ${_REQUIRED_LIBRARIES} CACHE INTERNAL "socket_wrapper required system libraries")
-
# STRUCTS
check_struct_has_member("struct in_pktinfo" ipi_addr "sys/types.h;sys/socket.h;netinet/in.h" HAVE_STRUCT_IN_PKTINFO)
set(CMAKE_REQUIRED_FLAGS -D_GNU_SOURCE)
@@ -250,12 +258,6 @@ int main(void) {
unset(CMAKE_REQUIRED_FLAGS)
###########################################################
-check_library_exists(dl dlopen "" HAVE_LIBDL)
-if (HAVE_LIBDL)
- find_library(DLFCN_LIBRARY dl)
- set(_REQUIRED_LIBRARIES ${_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
-endif (HAVE_LIBDL)
-
if (OSX)
set(HAVE_APPLE 1)
endif (OSX)
@@ -267,4 +269,4 @@ endif (NOT WIN32)
check_type_size(pid_t SIZEOF_PID_T)
-set(SWRAP_REQUIRED_LIBRARIES ${_REQUIRED_LIBRARIES} CACHE INTERNAL "swrap required system libraries")
+set(SWRAP_REQUIRED_LIBRARIES ${_REQUIRED_LIBRARIES} CACHE INTERNAL "socket_wrapper required system libraries")