diff options
Diffstat (limited to 'src/compat/Kbuild.include')
| -rw-r--r-- | src/compat/Kbuild.include | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/src/compat/Kbuild.include b/src/compat/Kbuild.include index db20bd5..e937671 100644 --- a/src/compat/Kbuild.include +++ b/src/compat/Kbuild.include @@ -53,11 +53,7 @@ endif ifdef CONFIG_HZ ifeq ($(wildcard $(CURDIR)/include/generated/timeconst.h),) -HZ_IFDEF := $(shell echo 'define gcd(a,b){auto t;while(b){t=b;b=a%b;a=t;};return a;};hz=$(CONFIG_HZ);cd=gcd(hz,1000000);print "-DHZ_TO_USEC_NUM=",1000000/cd," -DHZ_TO_USEC_DEN=",hz/cd;halt;' | bc -q) -ifeq ($(HZ_IFDEF),) -$(error bc(1) is required for building) -endif -ccflags-y += $(HZ_IFDEF) +ccflags-y += $(shell bash -c '((a=$(CONFIG_HZ), b=1000000)); while ((b > 0)); do ((t=b, b=a%b, a=t)); done; echo "-DHZ_TO_USEC_NUM=$$((1000000/a)) -DHZ_TO_USEC_DEN=$$(($(CONFIG_HZ)/a))";') endif endif |