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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2012-03-10 16:30:00 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-03-10 16:30:00 +0100 |
| commit | c528917195498e03c8b776bbcfee4f41ea3a818f (patch) | |
| tree | 6fc9e5e410191fcff45d4a2fdab5941b74139f70 | |
| parent | 79bec06168a561bda99292b7a6be15aeffa4a70d (diff) | |
| download | busybox-c528917195498e03c8b776bbcfee4f41ea3a818f.tar.gz | |
build system: detect missing crypt and drop it from linking
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | Makefile.flags | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/Makefile.flags b/Makefile.flags index 92aae6fb5..2c826bac1 100644 --- a/Makefile.flags +++ b/Makefile.flags @@ -97,13 +97,6 @@ CFLAGS += $(strip $(subst ",,$(CONFIG_EXTRA_CFLAGS))) #")) endif -ifneq ($(CONFIG_CROSS_COMPILER_PREFIX),"arm-linux-androideabi-") -LDLIBS += m crypt -else -# Android libc has no crypt. TODO: make a generic CONFIG_LINK_WITH_CRYPT option? -LDLIBS += m -endif - # Note: both "" (string consisting of two quote chars) and empty string # are possible, and should be skipped below. ifneq ($(subst "",,$(CONFIG_SYSROOT)),) @@ -111,6 +104,14 @@ CFLAGS += --sysroot=$(CONFIG_SYSROOT) export SYSROOT=$(CONFIG_SYSROOT) endif +# Android has no separate crypt library +CRYPT_AVAILABLE := $(shell echo 'int main(void){return 0;}' | $(CC) $(CFLAGS) $(1) -lcrypt -o /dev/null -xc - >/dev/null 2>&1 && echo "y") +ifeq ($(CRYPT_AVAILABLE),y) +LDLIBS += m crypt +else +LDLIBS += m +endif + ifeq ($(CONFIG_PAM),y) # libpam uses libpthread, so for static builds busybox must be linked to # libpthread. On some platforms that requires an explicit -lpthread, so |