diff options
Diffstat (limited to 'workspace/customdhcpcd/src/mk/os.mk')
| -rw-r--r-- | workspace/customdhcpcd/src/mk/os.mk | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/workspace/customdhcpcd/src/mk/os.mk b/workspace/customdhcpcd/src/mk/os.mk new file mode 100644 index 0000000..af173fc --- /dev/null +++ b/workspace/customdhcpcd/src/mk/os.mk @@ -0,0 +1,77 @@ +# Setup OS specific variables +# Copyright 2008 Roy Marples <roy@marples.name> + +# Work out if we need -lresolv or not +_LIBRESOLV_SH= printf '\#include <netinet/in.h>\n\#include <resolv.h>\nint main (void) { return (res_init ()); }\n' > .res_init.c; \ + if ${CC} .res_init.c -o .res_init >/dev/null 2>&1; then \ + echo ""; \ + elif ${CC} .res_init.c -lresolv -o .res_init >/dev/null 2>&1; then \ + echo "-lresolv"; \ + else \ + echo "Cannot work out how to get res_init to link" >&2; \ + rm -f .res_init.c .res_init; \ + exit 1; \ + fi; \ + rm -f .res_init.c .res_init +_LIBRESOLV!= ${_LIBRESOLV_SH} +LIBRESOLV= ${_LIBRESOLV}$(shell ${_LIBRESOLV_SH}) + +# Work out if we need -lrt or not +_LIBRT_SH= printf '\#include <time.h>\n\#include <unistd.h>\n\nint main (void) { struct timespec ts;\n\#if defined(_POSIX_MONOTONIC_CLOCK) && defined(CLOCK_MONOTONIC)\nreturn (clock_gettime (CLOCK_MONOTONIC, &ts));\n\#else\nreturn -1;\n\#endif\n}\n' > .clock_gettime.c; \ + if ${CC} .clock_gettime.c -o .clock_gettime >/dev/null 2>&1; then \ + echo ""; \ + elif ${CC} .clock_gettime.c -lrt -o .clock_gettime >/dev/null 2>&1; then \ + echo "-lrt"; \ + else \ + echo ""; \ + fi; \ + rm -f .clock_gettime.c .clock_gettime +_LIBRT!= ${_LIBRT_SH} +LIBRT= ${_LIBRT}$(shell ${_LIBRT_SH}) + +# Work out if our fork() works or not +_HAVE_FORK_SH= if test "${HAVE_FORK}" = "yes"; then \ + echo ""; \ + elif test -n "${HAVE_FORK}"; then \ + echo "-DTHERE_IS_NO_FORK"; \ + else \ + printf '\#include <stdlib.h>\n\#include <unistd.h>\nint main (void) { pid_t pid = fork(); if (pid == -1) exit (-1); exit (0); }\n' > .fork.c; \ + ${CC} .fork.c -o .fork >/dev/null 2>&1; \ + if ./.fork; then \ + echo ""; \ + else \ + echo "-DTHERE_IS_NO_FORK"; \ + fi; \ + rm -f .fork.c .fork; \ + fi; +_HAVE_FORK!= ${_HAVE_FORK_SH} +FORK= ${_HAVE_FORK}$(shell ${_HAVE_FORK_SH}) + +# info dir defaults to /var/lib/dhcpcd on Linux and /var/db elsewhere +_INFODIR_SH= if test -n "${INFODIR}"; then \ + echo "${INFODIR}"; \ + else \ + case `uname -s` in \ + Linux) echo "/var/lib/dhcpcd";; \ + *) echo "/var/db";; \ + esac \ + fi +_INFODIR!= ${_INFODIR_SH} +INFOD?= ${_INFODIR}$(shell ${_INFODIR_SH}) + +# Work out how to restart services +_RC_SH= if test -n "${HAVE_INIT}"; then \ + test "${HAVE_INIT}" = "no" || echo "-DENABLE_${HAVE_INIT}"; \ + elif test -x /sbin/runscript; then echo "-DENABLE_OPENRC"; \ + elif test -x /sbin/service; then echo "-DENABLE_SERVICE"; \ + elif test -x /etc/rc.d/rc.S -a -x /etc/rc.d/rc.M; then echo "-DENABLE_SLACKRC"; \ + elif test -d /etc/rc.d; then echo "-DENABLE_BSDRC"; \ + elif test -d /etc/init.d; then echo "-DENABLE_SYSV"; \ + fi +_RC!= ${_RC_SH} +RC= ${_RC}$(shell ${_RC_SH}) + +# glibc requires _BSD_SOURCE and _XOPEN_SOURCE +_DEF_SH= case `uname -s` in Linux) echo "-D_BSD_SOURCE -D_XOPEN_SOURCE=600";; *) echo;; esac +_DEF!= ${_DEF_SH} +CFLAGS+= ${_DEF}$(shell ${_DEF_SH}) |