diff --git a/build-all b/build-all
index cac2775..d5873e6 100755
--- a/build-all
+++ b/build-all
@@ -46,6 +46,13 @@ build_simple() { : \
     ;done \
  ;}
 
+build_base() { : \
+ && sed 's/\bcosmo-bootstrap\b/cosmo-all/g' \
+    <cosmo-dist/Dockerfile >cosmo-dist/all.Dockerfile \
+ && build   cosmo-dist          -f cosmo-dist/all.Dockerfile \
+ && build   cosmo-base          \
+ ;}
+
 : \
  && me="$(readlink -f "$0")" && cd "${me%/*}" && { [ -d out ] || mkdir out ;} \
  && : \
@@ -62,7 +69,7 @@ build_simple() { : \
  && build   rescue              \
 \
 `# phase 4` \
- && build   cosmo-base          \
+ && build_base                  \
  && build_simple                \
 \
 `# phase 5` \
diff --git a/cosmo-all/Dockerfile b/cosmo-all/Dockerfile
index 035c621..d2ef3c3 100644
--- a/cosmo-all/Dockerfile
+++ b/cosmo-all/Dockerfile
@@ -15,6 +15,10 @@ RUN : \
     commit "$commit" \
     flavor "$COSMO_FLAVOR" \
     mode "$mode" \
+    COSMO "$PWD" \
+    COSMO_DIST "$PWD/dist/$COSMO_FLAVOR" \
+\
+ && shed expand "s_o='o/[^']*'_o='o/$mode'_g" \
 ;
 
 RUN --mount=type=tmpfs,target=/tmp : \
@@ -44,5 +48,5 @@ RUN --mount=type=tmpfs,target=/tmp : \
     install -m0755 -t /usr/local/bin {} \
     + \
 # save some space: \
- && find o '(' -name '*.com.dbg' -o -name '*_test.*' -o -name 'test_*' ')' -delete \
+ && find o -type f '(' -name '*.com.dbg' -o -name '*_test.*' -o -name 'test_*' ')' -delete \
 ;
diff --git a/notwa-util/cosmocc b/notwa-util/cosmocc
index b579d0e..98aab5b 100755
--- a/notwa-util/cosmocc
+++ b/notwa-util/cosmocc
@@ -1,6 +1,8 @@
 #!/usr/bin/env sh
 cosmo="${COSMO:-"/cosmopolitan"}"
-dist="${COSMO_DIST:-"$cosmo/dist/def"}"
+unset flavor
+[ ! -s "$cosmo/env" ] || . "$cosmo/env"
+dist="${COSMO_DIST:-"$cosmo/dist/${flavor:-def}"}"
 
 _CFLAGS="-fno-omit-frame-pointer -fdata-sections -ffunction-sections -fno-pie -pg -mnop-mcount -mno-tls-direct-seg-refs"
 _CPPFLAGS="-DNDEBUG -nostdinc -iquote $cosmo -isystem $cosmo/libc/isystem -include $cosmo/libc/integral/normalize.inc"