X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=CMakeLists.txt;h=fdc9ff0441e344abfd503589e49ca466ad0b44de;hb=e30e614e7f63b52306d85040068e2205a9e6327a;hp=af56a03a3629481ef5ac0acba85bdbef23a46669;hpb=bf3a95a3d129e18937f88c349bfe5cdcaef42d55;p=gdcm.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index af56a03a..fdc9ff04 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -62,6 +62,36 @@ IF("GDCM_COMPILER_HAS_FUNCTION" MATCHES "^GDCM_COMPILER_HAS_FUNCTION$")
   ENDIF(GDCM_COMPILER_HAS_FUNCTION)
 ENDIF("GDCM_COMPILER_HAS_FUNCTION" MATCHES "^GDCM_COMPILER_HAS_FUNCTION$")
 
+#-----------------------------------------------------------------------------
+# Test if os defines a lenght for sockaddr
+IF("HAVE_SA_LEN" MATCHES "^HAVE_SA_LEN$")
+  STRING(ASCII 35 POUND)
+  FILE(WRITE ${GDCM_BINARY_DIR}/CMakeTmp/gdcmTestHAVESALEN.c
+    "${POUND}include <sys/types.h>\n"
+    "${POUND}include <sys/socket.h>\n"
+    "int main() { struct sockaddr sa; sa.sa_len = 0; }")
+  MESSAGE(STATUS "Checking if ifreq has a sa_len")
+  TRY_COMPILE(HAVE_SA_LEN
+              ${GDCM_BINARY_DIR}
+              ${GDCM_BINARY_DIR}/CMakeTmp/gdcmTestHAVESALEN.c
+              OUTPUT_VARIABLE OUTPUT)
+  IF(HAVE_SA_LEN)
+    MESSAGE(STATUS "Checking if ifreq has a sa_len -- yes")
+    SET(HAVE_SA_LEN 1 CACHE INTERNAL "Support if ifreq has a sa_len")
+    WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeOutput.log
+      "Determining if ifreq has a sa_len"
+      "passed with the following output:\n"
+      "${OUTPUT}\n" APPEND)
+  ELSE(HAVE_SA_LEN)
+    MESSAGE(STATUS "Checking if ifreq has a sa_len -- no")
+    SET(HAVE_SA_LEN 0 CACHE INTERNAL "Support if ifreq has a sa_len")
+    WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeError.log
+      "Determining if ifreq has a sa_len"
+      "failed with the following output:\n"
+      "${OUTPUT}\n" APPEND)
+  ENDIF(HAVE_SA_LEN)
+ENDIF("HAVE_SA_LEN" MATCHES "^HAVE_SA_LEN$")
+
 #-----------------------------------------------------------------------------
 # Build directory on which many applications depend
 SUBDIRS(
@@ -99,16 +129,27 @@ TEST_BIG_ENDIAN(GDCM_WORDS_BIGENDIAN)
 INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
 CHECK_INCLUDE_FILE("stdint.h"       CMAKE_HAVE_STDINT_H)
 
+# Check if header file exists and add it to the list.
+INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFiles.cmake)
+MACRO(CHECK_INCLUDE_FILE_CONCAT FILE VARIABLE)
+  CHECK_INCLUDE_FILES("${GDCM_INCLUDES};${FILE}" ${VARIABLE})
+  IF(${VARIABLE})
+    SET(GDCM_INCLUDES ${GDCM_INCLUDES} ${FILE})
+  ENDIF(${VARIABLE})
+ENDMACRO(CHECK_INCLUDE_FILE_CONCAT)
+
 # Need those header for GetMacAddress in Util
-CHECK_INCLUDE_FILE("unistd.h"       CMAKE_HAVE_UNISTD_H)
-CHECK_INCLUDE_FILE("stdlib.h"       CMAKE_HAVE_STDLIB_H)
-CHECK_INCLUDE_FILE("sys/ioctl.h"    CMAKE_HAVE_SYS_IOCTL_H)
-CHECK_INCLUDE_FILE("sys/socket.h"   CMAKE_HAVE_SYS_SOCKET_H)
-CHECK_INCLUDE_FILE("sys/sockio.h"   CMAKE_HAVE_SYS_SOCKIO_H)
-CHECK_INCLUDE_FILE("net/if.h"       CMAKE_HAVE_NET_IF_H)
-CHECK_INCLUDE_FILE("netinet/in.h"   CMAKE_HAVE_NETINET_IN_H)
-CHECK_INCLUDE_FILE("net/if_dl.h"    CMAKE_HAVE_NET_IF_DL_H)
-CHECK_INCLUDE_FILE("net/if_arp.h"   CMAKE_HAVE_NET_IF_ARP_H)
+# This is tricky as you need to figure out the proper order to
+# test the inclusion of files
+CHECK_INCLUDE_FILE_CONCAT("unistd.h"       CMAKE_HAVE_UNISTD_H)
+CHECK_INCLUDE_FILE_CONCAT("stdlib.h"       CMAKE_HAVE_STDLIB_H)
+CHECK_INCLUDE_FILE_CONCAT("sys/ioctl.h"    CMAKE_HAVE_SYS_IOCTL_H)
+CHECK_INCLUDE_FILE_CONCAT("sys/socket.h"   CMAKE_HAVE_SYS_SOCKET_H)
+CHECK_INCLUDE_FILE_CONCAT("sys/sockio.h"   CMAKE_HAVE_SYS_SOCKIO_H)
+CHECK_INCLUDE_FILE_CONCAT("net/if.h"       CMAKE_HAVE_NET_IF_H)
+CHECK_INCLUDE_FILE_CONCAT("netinet/in.h"   CMAKE_HAVE_NETINET_IN_H)
+CHECK_INCLUDE_FILE_CONCAT("net/if_dl.h"    CMAKE_HAVE_NET_IF_DL_H)
+CHECK_INCLUDE_FILE_CONCAT("net/if_arp.h"   CMAKE_HAVE_NET_IF_ARP_H)
 
 CONFIGURE_FILE(${GDCM_SOURCE_DIR}/gdcmConfigure.h.in
                ${GDCM_BINARY_DIR}/gdcmConfigure.h @ONLY IMMEDIATE)