[Nix-dev] BDW-GC

[Ludovic Courtès]

Hi Eelco,

Eelco Dolstra <e.dolstra at tudelft.nl> writes:

> +# Whether to use the Boehm garbage collector.
> +AC_ARG_WITH(boehm-gc, AC_HELP_STRING([--with-boehm-gc=PATH],
> +  [prefix of the Boehm GC package to enable garbage collection in the Nix expression evaluator]),
> +  boehmgc=$withval, boehmgc=)
> +if test -n "$boehmgc"; then
> +  boehmgc_lib="-L$boehmgc/lib -lgc"
> +  CXXFLAGS="-I$boehmgc/include $CXXFLAGS"
> +  AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.])
> +fi
> +AC_SUBST(boehmgc_lib)
> +AC_SUBST(boehmgc_include)

With libgc 7.x, the recommended way is ‘pkg-config’:

  PKG_CHECK_MODULES([BDW_GC], [bdw-gc])

  LIBS="$BDW_GC_LIBS $LIBS"
  CFLAGS="$BDW_GC_CFLAGS $CFLAGS"

Thanks,
Ludo’.