Explicitly set CC_FOR_BUILD multiple places

checks/check-static-exts-cross-android.nix

@@ -0,0 +1,37 @@
+{ self, pkgs }:
+let
+  pkgs' = pkgs.pkgsCross.aarch64-android;
+
+  sqlite-example-exts-static = pkgs'.callPackage ./util/sqlite-example-exts-static.nix { };
+
+  sqlite-with-static-exts = self.mkSqlite {
+    pkgs = pkgs';
+
+    extensions = [
+      {
+        library = "${sqlite-example-exts-static}/lib/libaddext.a";
+        init = "sqlite3_addext_init";
+      }
+      {
+        library = "${sqlite-example-exts-static}/lib/libsubext.a";
+        init = "sqlite3_subext_init";
+      }
+      {
+        library = "${sqlite-example-exts-static}/lib/libmultext.a";
+        init = "sqlite3_multext_init";
+      }
+    ];
+  };
+in
+pkgs'.runCommand "test-sqlite-with-static-exts-aarch64" {
+  nativeBuildInputs = [ sqlite-with-static-exts.sqlite-cli ];
+
+  passthru = {
+    inherit sqlite-example-exts-static;
+    inherit sqlite-with-static-exts;
+  };
+} ''
+  mkdir -p "$out"
+  sqlite3 :memory: <<<"SELECT myadd(1, 2), mysub(5, 3), mymult(4, 6);" | tee "$out/test.log"
+  grep -q -F "3|2|24" "$out/test.log" || (echo "Unexpected output from sqlite3 with static extensions" && exit 1)
+ ''

flake.nix

@@ -44,6 +44,7 @@
     checks = forAllSystems (system: pkgs: {
       checkStaticExts = import ./checks/check-static-exts.nix { inherit self pkgs; };
       checkStaticExtsCross = import ./checks/check-static-exts-cross.nix { inherit self pkgs; };
+      checkStaticExtsCrossAndroid = import ./checks/check-static-exts-cross-android.nix { inherit self pkgs; };
     });
   };
 }

src/amalgamation.nix

@@ -51,6 +51,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   env.NIX_CFLAGS_COMPILE = lib.concatStringsSep " " featureFlags;
   env.NIX_CFLAGS_LINK = lib.optionalString features.ENABLE_FTS5 "-lm";
+  env.CC_FOR_BUILD = "${stdenv.cc.targetPrefix}cc";
 
   makeFlags = [ "sqlite3.c" "sqlite3.h" ];
 

src/sqlite-cli.nix

@@ -67,4 +67,5 @@ stdenv.mkDerivation (finalAttrs: {
 
   env.NIX_CFLAGS_LINK = lib.optionalString features.ENABLE_FTS5 "-lm";
   env.NIX_LDFLAGS = lib.concatStringsSep " " (if coreInitExt == null then [ ] else coreInitExt.passthru.extraLDFLAGS);
+  env.CC_FOR_BUILD = "${stdenv.cc.targetPrefix}cc";
 })

src/sqlite.nix

@@ -69,4 +69,5 @@ stdenv.mkDerivation (finalAttrs: {
 
   env.NIX_CFLAGS_LINK = lib.optionalString features.ENABLE_FTS5 "-lm";
   env.NIX_LDFLAGS = lib.concatStringsSep " " (if coreInitExt == null then [ ] else coreInitExt.passthru.extraLDFLAGS);
+  env.CC_FOR_BUILD = "${stdenv.cc.targetPrefix}cc";
 })