login: new option LOGIN_SESSION_AS_CHILD

[oweals/busybox.git] / Makefile.flags

diff --git a/Makefile.flags b/Makefile.flags
index 2109fdf11c46d56bffacf6b99070da11552a6480..7e1c6030c7dee8268bfb20e2711c874afbcb1025 100644 (file)
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -4,7 +4,7 @@
 
 BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 export BB_VER
-SKIP_STRIP = n
+SKIP_STRIP ?= n
 
 # -std=gnu99 needed for [U]LLONG_MAX on some systems
 CPPFLAGS += $(call cc-option,-std=gnu99,)
@@ -32,6 +32,16 @@ CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 
 ifeq ($(CONFIG_WERROR),y)
 CFLAGS += $(call cc-option,-Werror,)
+## TODO:
+## gcc version 4.4.0 20090506 (Red Hat 4.4.0-4) (GCC) is a PITA:
+## const char *ptr; ... off_t v = *(off_t*)ptr; -> BOOM
+## and no easy way to convince it to shut the hell up.
+## We have a lot of such things all over the place.
+## Classic *(off_t*)(void*)ptr does not work,
+## and I am unwilling to do crazy gcc specific ({ void *ppp = ...; })
+## stuff in macros. This would obfuscate the code too much.
+## Maybe try __attribute__((__may_alias__))?
+#CFLAGS += $(call cc-ifversion, -eq, 0404, -fno-strict-aliasing)
 endif
 # gcc 3.x emits bogus "old style proto" warning on find.c:alloc_action()
 CFLAGS += $(call cc-ifversion, -ge, 0400, -Wold-style-definition)
@@ -48,14 +58,14 @@ CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-labels=1
 #CFLAGS += $(call cc-option,-Wconversion,)
 
 ifneq ($(CONFIG_DEBUG),y)
-CFLAGS += $(call cc-option,-Os,)
+CFLAGS += $(call cc-option,-Os,$(call cc-option,-O2,))
 else
 CFLAGS += $(call cc-option,-g,)
 #CFLAGS += "-D_FORTIFY_SOURCE=2"
 ifeq ($(CONFIG_DEBUG_PESSIMIZE),y)
 CFLAGS += $(call cc-option,-O0,)
 else
-CFLAGS += $(call cc-option,-Os,)
+CFLAGS += $(call cc-option,-Os,$(call cc-option,-O2,))
 endif
 endif
 
@@ -87,7 +97,12 @@ 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
 
 ifeq ($(CONFIG_PAM),y)
 LDLIBS += pam pam_misc