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make: config -- Add testing if we have libbsd installed

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Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov 2014-03-25 01:30:11 +04:00 • committed by Pavel Emelyanov
parent 5f00a9ca40
commit 0bae3bc181
3 changed files with 28 additions and 2 deletions
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9
Makefile.config
View file

@ -3,6 +3,11 @@ include scripts/feature-tests.mak
CONFIG := include/config.h
ifeq ($(call try-cc,$(LIBBSD_DEV_TEST),-lbsd),y)
LIBS += -lbsd
DEFINES += -DCONFIG_HAS_LIBBSD
endif
$(CONFIG): scripts/utilities.mak scripts/feature-tests.mak include/config-base.h
$(E) " GEN " $@
$(Q) @echo '#ifndef __CR_CONFIG_H__' > $@
@ -16,10 +21,10 @@ endif
ifeq ($(call try-cc,$(PRLIMIT_TEST),),y)
$(Q) @echo '#define CONFIG_HAS_PRLIMIT' >> $@
endif
ifeq ($(call try-cc,$(STRLCPY_TEST),),y)
ifeq ($(call try-cc,$(STRLCPY_TEST),$(LIBS)),y)
$(Q) @echo '#define CONFIG_HAS_STRLCPY' >> $@
endif
ifeq ($(call try-cc,$(STRLCAT_TEST),),y)
ifeq ($(call try-cc,$(STRLCAT_TEST),$(LIBS)),y)
$(Q) @echo '#define CONFIG_HAS_STRLCAT' >> $@
endif
ifeq ($(call try-cc,$(PTRACE_PEEKSIGINFO_TEST),),y)

4
include/string.h
View file

@ -4,6 +4,10 @@
#include <sys/types.h>
#include <string.h>
#ifdef CONFIG_HAS_LIBBSD
# include <bsd/string.h>
#endif
#include "config.h"
#ifndef CONFIG_HAS_STRLCPY

17
scripts/feature-tests.mak
View file

@ -30,10 +30,23 @@ int main(void)
}
endef
define LIBBSD_DEV_TEST
#include <bsd/string.h>
int main(void)
{
return 0;
}
endef
define STRLCPY_TEST
#include <string.h>
#ifdef CONFIG_HAS_LIBBSD
# include <bsd/string.h>
#endif
int main(void)
{
return strlcpy(NULL, NULL, 0);
@ -44,6 +57,10 @@ define STRLCAT_TEST
#include <string.h>
#ifdef CONFIG_HAS_LIBBSD
# include <bsd/string.h>
#endif
int main(void)
{
return strlcat(NULL, NULL, 0);