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Diffstat (limited to 'm4/macros/check_os_libs.m4')
-rw-r--r-- | m4/macros/check_os_libs.m4 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/m4/macros/check_os_libs.m4 b/m4/macros/check_os_libs.m4 new file mode 100644 index 000000000000..d732a748899b --- /dev/null +++ b/m4/macros/check_os_libs.m4 @@ -0,0 +1,28 @@ +dnl ###################################################################### +dnl set OS libraries specific to an OS: +dnl libnsl/libsocket are needed only on solaris and some svr4 systems. +dnl Using a typical macro has proven unsuccesful, because on some other +dnl systems such as irix, including libnsl and or libsocket actually breaks +dnl lots of code. So I am forced to use a special purpose macro that sets +dnl the libraries based on the OS. Sigh. -Erez. +AC_DEFUN([AMU_CHECK_OS_LIBS], +[ +AC_CACHE_CHECK(for additional OS libraries, +ac_cv_os_libs, +[ +# select the correct set of libraries to link with +case "${host_os_name}" in + svr4* | sysv4* | solaris2* | sunos5* | aoi* ) + ac_cv_os_libs="-lsocket -lnsl" ;; + * ) + ac_cv_os_libs=none ;; +esac +]) +# set list of libraries to link with +if test "$ac_cv_os_libs" != none +then + LIBS="$ac_cv_os_libs $LIBS" +fi + +]) +dnl ====================================================================== |