abstract_compiler: use `ExternFiles::pkgconfig` for boehm

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/compiler/abstract_compiler.nit b/src/compiler/abstract_compiler.nit
index f9be9e1..e80e566 100644 (file)
--- a/src/compiler/abstract_compiler.nit
+++ b/src/compiler/abstract_compiler.nit
@@ -225,11 +225,12 @@ class MakefileToolchain
        do
                var platform = compiler.mainmodule.target_platform
                if self.toolcontext.opt_stacktrace.value == "nitstack" and (platform == null or platform.supports_libunwind) then compiler.build_c_to_nit_bindings
-               var cc_opt_with_libgc = "-DWITH_LIBGC `pkg-config --cflags bdw-gc`"
+               var cc_opt_with_libgc = "-DWITH_LIBGC"
                if platform != null and not platform.supports_libgc then cc_opt_with_libgc = ""
 
                # Add gc_choser.h to aditionnal bodies
                var gc_chooser = new ExternCFile("gc_chooser.c", cc_opt_with_libgc)
+               if cc_opt_with_libgc != "" then gc_chooser.pkgconfigs.add "bdw-gc"
                compiler.extern_bodies.add(gc_chooser)
                compiler.files_to_copy.add "{clib}/gc_chooser.c"
                compiler.files_to_copy.add "{clib}/gc_chooser.h"
@@ -363,7 +364,7 @@ class MakefileToolchain
                        if libs != null then linker_options.add_all(libs)
                end
 
-               makefile.write("CC = ccache cc\nCXX = ccache c++\nCFLAGS = -g -O2 -Wno-unused-value -Wno-switch\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS  ?= -lm `pkg-config --libs bdw-gc` {linker_options.join(" ")}\n\n")
+               makefile.write("CC = ccache cc\nCXX = ccache c++\nCFLAGS = -g -O2 -Wno-unused-value -Wno-switch\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS  ?= -lm {linker_options.join(" ")}\n\n")
 
                var ost = toolcontext.opt_stacktrace.value
                if (ost == "libunwind" or ost == "nitstack") and (platform == null or platform.supports_libunwind) then makefile.write("NEED_LIBUNWIND := YesPlease\n")