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Re: [UNIKRAFT PATCH v4 2/3] support/build: Add build functions for clang and gcc check



All good.

Razvan

Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxx> writes:
> We add have_gcc and have_clang. We modify gcc_version_ge to
> use have_gcc.
>
> Signed-off-by: Alice Suiu <alicesuiu17@xxxxxxxxx>
> Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxx>
> Reviewed-by: Razvan Deaconescu <razvan.deaconescu@xxxxxxxxx>
> ---
>  support/build/Makefile.rules | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/support/build/Makefile.rules b/support/build/Makefile.rules
> index 2a8a294..c201bc4 100644
> --- a/support/build/Makefile.rules
> +++ b/support/build/Makefile.rules
> @@ -29,10 +29,20 @@ lc = $(subst A,a,$(subst B,b,$(subst C,c,$(subst 
> D,d,$(subst E,e,$(subst F,f,$(s
>  # upper case
>  uc = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst
> e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst
> j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst
> o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst
> t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst
> y,Y,$(subst z,Z,$(1)))))))))))))))))))))))))))
>  
> +# test if GCC is set as a compiler
> +define have_gcc =
> +$(shell if [ $(CC) = gcc ] ; then echo y ; else echo n ; fi)
> +endef
> +
> +# test if CLANG is set as a compiler
> +define have_clang =
> +$(shell if [ $(CC) = clang ] ; then echo y ; else echo n ; fi)
> +endef
> +
>  # test whether GCC version is greater than or equal to the minimum 
> requirement
>  # gcc_version_ge $gcc_major,$gcc_minor
>  define gcc_version_ge =
> -$(shell if [ $(CC_VER_MAJOR) -gt $(1) ] || ([ $(CC_VER_MAJOR) -eq $(1) ] && 
> [ $(CC_VER_MINOR) -ge $(2) ]) ; then echo y ; fi)
> +$(shell if [ $(call have_gcc) = y ] ; then if [ $(CC_VER_MAJOR) -gt $(1) ] 
> || ([ $(CC_VER_MAJOR) -eq $(1) ] && [ $(CC_VER_MINOR) -ge $(2) ]) ; then echo 
> y ; fi ; else echo n ; fi)
>  endef
>  
>  # print error and stop build when GCC version doesn't meet the minimum 
> requirement



 


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