build-support/build-sandbox: add support for mounting /nix

Enables us to run nix *inside* of a sandbox.
We have to mount the whole store, because otherwise realized store
paths built inside of the sandbox are not accessible.

1 files changed, 11 insertions, 6 deletions

diff --git a/pkgs/build-support/build-sandbox/src/Makefile b/pkgs/build-support/build-sandbox/src/Makefile
index e18ec9d4..8e1218f6 100644
--- a/pkgs/build-support/build-sandbox/src/Makefile
+++ b/pkgs/build-support/build-sandbox/src/Makefile
@@ -1,19 +1,24 @@
 BINARIES = $(wildcard $(BINDIR)/*)
 WRAPPERS = $(subst $(BINDIR),$(out)/bin,$(BINARIES))
 
+OBJECTS = path-cache.o params.o setup.o
+CFLAGS = -g -Wall -std=gnu11 -DFS_ROOT_DIR=\"$(out)\"
+CXXFLAGS = -g -Wall -std=c++14 `pkg-config --cflags nix-main`
+LDFLAGS = -Wl,--copy-dt-needed-entries `pkg-config --libs nix-main`
+
+ifdef FULL_NIX_STORE
+CFLAGS += -DFULL_NIX_STORE
+else
+OBJECTS += nix-query.o
 NIX_VERSION = `pkg-config --modversion nix-main | \
                sed -e 's/^\([0-9]\+\)\.\([0-9][0-9]\).*/\1\2/' \
                    -e 's/^\([0-9]\+\)\.\([0-9]\).*/\10\2/'`
+CXXFLAGS += -DNIX_VERSION=$(NIX_VERSION)
+endif
 
-OBJECTS = nix-query.o path-cache.o params.o setup.o
-
-CFLAGS = -g -Wall -std=gnu11 -DFS_ROOT_DIR=\"$(out)\"
 ifdef BINSH_EXECUTABLE
 CFLAGS += -DBINSH_EXECUTABLE=\"$(BINSH_EXECUTABLE)\"
 endif
-CXXFLAGS = -g -Wall -std=c++14 `pkg-config --cflags nix-main`
-CXXFLAGS += -DNIX_VERSION=$(NIX_VERSION)
-LDFLAGS = -Wl,--copy-dt-needed-entries `pkg-config --libs nix-main`
 
 all: $(OBJECTS)