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| author | Denys Vlasenko | 2021-04-14 19:01:53 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2021-04-14 19:01:53 +0200 |
| commit | eb1b2902b8b7b7effdba711645288c64884fd3e7 (patch) | |
| tree | 2079c843850bdd744641d43fc35d80695309a027 | |
| parent | 7c813fbabfa672e74a387ab457b9fa39ca1a57aa (diff) | |
| download | busybox-eb1b2902b8b7b7effdba711645288c64884fd3e7.zip busybox-eb1b2902b8b7b7effdba711645288c64884fd3e7.tar.gz | |
Makefile.flags: add a test for -lrt availability
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | Makefile.flags | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/Makefile.flags b/Makefile.flags index 3b02bfa..6674819 100644 --- a/Makefile.flags +++ b/Makefile.flags @@ -145,18 +145,21 @@ CFLAGS += --sysroot=$(CONFIG_SYSROOT) export SYSROOT=$(CONFIG_SYSROOT) endif +# libm may be needed for dc, awk, ntpd +LDLIBS += m # Android has no separate crypt library # gcc-4.2.1 fails if we try to feed C source on stdin: # echo 'int main(void){return 0;}' | $(CC) $(CFLAGS) -lcrypt -o /dev/null -xc - # fall back to using a temp file: -CRYPT_AVAILABLE := $(shell echo 'int main(void){return 0;}' >crypttest.c; $(CC) $(CFLAGS) -lcrypt -o /dev/null crypttest.c >/dev/null 2>&1 && echo "y"; rm crypttest.c) +CRYPT_AVAILABLE := $(shell echo 'int main(void){return 0;}' >bb_libtest.c; $(CC) $(CFLAGS) -lcrypt -o /dev/null bb_libtest.c >/dev/null 2>&1 && echo "y"; rm bb_libtest.c) +RT_AVAILABLE := $(shell echo 'int main(void){return 0;}' >bb_libtest.c; $(CC) $(CFLAGS) -lrt -o /dev/null bb_libtest.c >/dev/null 2>&1 && echo "y"; rm bb_libtest.c) ifeq ($(CRYPT_AVAILABLE),y) -LDLIBS += m rt crypt -else -LDLIBS += m rt +LDLIBS += crypt endif -# libm may be needed for dc, awk, ntpd # librt may be needed for clock_gettime() +ifeq ($(RT_AVAILABLE),y) +LDLIBS += rt +endif # libpam may use libpthread, libdl and/or libaudit. # On some platforms that requires an explicit -lpthread, -ldl, -laudit. |