mirror of
https://github.com/zeek/zeek.git
synced 2025-10-02 22:58:20 +00:00
3f6aa735e9
GCC < 4.1.0 possibly has a problem w/ choosing an llabs() unambigiously from stdlib.h and cstdlib See also http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13943
91 lines
2.6 KiB
CMake
91 lines
2.6 KiB
CMake
include(CheckCSourceCompiles)
|
|
include(CheckCXXSourceCompiles)
|
|
|
|
if (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
|
|
# alternate malloc is faster for FreeBSD, but needs more testing
|
|
# need to add way to set this from the command line
|
|
set(USE_NMALLOC true)
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
|
|
set(USE_NMALLOC true)
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
|
|
# The following may have a greater scope than just Darwin
|
|
# (i.e. any platform w/ GCC < 4.1.0), but I've only seen
|
|
# it on OS X 10.5, which has GCC 4.0.1, so the workaround
|
|
# will be stuck here for now.
|
|
#
|
|
# See also http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13943
|
|
|
|
check_cxx_source_compiles("
|
|
#include <math.h>
|
|
#include <cstdlib>
|
|
using namespace std;
|
|
int main() {
|
|
llabs(1);
|
|
return 0;
|
|
}
|
|
" darwin_llabs_works)
|
|
|
|
if (NOT darwin_llabs_works)
|
|
# abs() should be used in this case, the long long version should
|
|
# exist in the __gnu_cxx namespace
|
|
set(DARWIN_NO_LLABS true)
|
|
endif ()
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
|
|
set(HAVE_LINUX true)
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "Solaris")
|
|
set(SOCKET_LIBS nsl socket)
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "osf")
|
|
# Workaround ip_hl vs. ip_vhl problem in netinet/ip.h
|
|
add_definitions(-D__STDC__=2)
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "irix")
|
|
list(APPEND CMAKE_C_FLAGS -xansi -signed -g3)
|
|
list(APPEND CMAKE_CXX_FLAGS -xansi -signed -g3)
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "ultrix")
|
|
list(APPEND CMAKE_C_FLAGS -std1 -g3)
|
|
list(APPEND CMAKE_CXX_FLAGS -std1 -g3)
|
|
|
|
check_c_source_compiles("
|
|
#include <sys/types.h>
|
|
int main() {
|
|
void c(const struct a *);
|
|
return 0;
|
|
}
|
|
" have_ultrix_const)
|
|
if (NOT have_ultrix_const)
|
|
set(NEED_ULTRIX_CONST_HACK true)
|
|
endif ()
|
|
|
|
elseif (${CMAKE_SYSTEM_NAME} MATCHES "hpux" OR
|
|
${CMAKE_SYSTEM_NAME} MATCHES "HP-UX")
|
|
include(CheckCSourceCompiles)
|
|
set(CMAKE_REQUIRED_FLAGS -Aa)
|
|
set(CMAKE_REQUIRED_DEFINITIONS -D_HPUX_SOURCE)
|
|
check_c_source_compiles("
|
|
#include <sys/types.h>
|
|
int main() {
|
|
int frob(int, char *);
|
|
return 0;
|
|
}
|
|
" have_ansi_prototypes)
|
|
set(CMAKE_REQUIRED_FLAGS)
|
|
set(CMAKE_REQUIRED_DEFINITIONS)
|
|
|
|
if (have_ansi_prototypes)
|
|
add_definitions(-D_HPUX_SOURCE)
|
|
list(APPEND CMAKE_C_FLAGS -Aa)
|
|
list(APPEND CMAKE_CXX_FLAGS -Aa)
|
|
endif ()
|
|
|
|
if (NOT have_ansi_prototypes)
|
|
message(FATAL_ERROR "Can't get HPUX compiler to handle ANSI prototypes")
|
|
endif ()
|
|
endif ()
|
|
|
|
|