[slang-devel] Re: Honoring compilation env vars in slsqlite

[Rafael Laboissière <rafael@xxxxxxxxxx>]

The subject of my previous message should read “Honoring compilation env 
vars in slsqlite” instead of “[…] in slwildcard”.

* Rafael Laboissière <rafael@xxxxxxxxxx> [2021-11-21 08:08]:

> Hello,
>
> When building slsqlite for Debian, we should ensure that the 
> environment variable CPPFLAGS, and LDFLAGS are honored. This is 
> required in Debian, because the hardening flags [*] 
> -D_FORTIFY_SOURCE=2 and -Wl,-z,relro must be used in the compilation 
> and linking of C files.
>
> Best,
>
> Rafael Laboissière
>
> [*] https://wiki.debian.org/Hardening

> Description: Honor the environment variables CPPFLAGS and LDFLAGS
> This is required in Debian, such that hardening flags like 
> -D_FORTIFY_SOURCE=2 and -Wl,-z,relro are used in the compilation 
> and linking of C files. 
> Author: Rafael Laboissière <rafael@xxxxxxxxxx> 
> Forwarded: no 
> Last-Update: 2021-11-19
>
> --- slwildcard-0.5.0.orig/Makefile 
> +++ slwildcard-0.5.0/Makefile 
> @@ -41,7 +41,7 @@ INCS = $(SLANG_INC) 
> all: wildcard-module.so
>
> wildcard-module.so: wildcard.c 
> -	$(CC_SHARED) $(INCS) wildcard.c -o wildcard-module.so $(LIBS) 
> +	$(CC_SHARED) $(CPPFLAGS) $(INCS) $(LDFLAGS) wildcard.c -o wildcard-module.so $(LIBS)
>
> wildcard.o: wildcard.c 
> 	gcc $(CFLAGS) $(INCS) -O2 -c -g wildcard.c -o wildcard.o
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