Merge pull request #297351 from adisbladis/build-support/lib-static

build-support/lib: Statically compute cmake/meson flags

pkgs/build-support/lib/cmake.nix

@@ -3,9 +3,8 @@
 let
   inherit (lib) findFirst isString optional optionals;
 
-  makeCMakeFlags = { cmakeFlags ? [], ... }:
-    cmakeFlags
-    ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) ([
+  cmakeFlags' =
+    optionals (stdenv.hostPlatform != stdenv.buildPlatform) ([
       "-DCMAKE_SYSTEM_NAME=${findFirst isString "Generic" (optional (!stdenv.hostPlatform.isRedox) stdenv.hostPlatform.uname.system)}"
     ] ++ optionals (stdenv.hostPlatform.uname.processor != null) [
       "-DCMAKE_SYSTEM_PROCESSOR=${stdenv.hostPlatform.uname.processor}"
@@ -24,6 +23,9 @@ let
     ] ++ optionals stdenv.hostPlatform.isStatic [
       "-DCMAKE_LINK_SEARCH_START_STATIC=ON"
     ]);
+
+  makeCMakeFlags = { cmakeFlags ? [], ... }: cmakeFlags ++ cmakeFlags';
+
 in
 {
   inherit makeCMakeFlags;

pkgs/build-support/lib/meson.nix

@@ -9,25 +9,25 @@ let
     else if isx86_32  then "x86"
     else platform.uname.processor;
 
-  makeMesonFlags = { mesonFlags ? [], ... }:
-    let
-      crossFile = builtins.toFile "cross-file.conf" ''
-        [properties]
-        bindgen_clang_arguments = ['-target', '${stdenv.targetPlatform.config}']
-        needs_exe_wrapper = ${boolToString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform)}
+  crossFile = builtins.toFile "cross-file.conf" ''
+    [properties]
+    bindgen_clang_arguments = ['-target', '${stdenv.targetPlatform.config}']
+    needs_exe_wrapper = ${boolToString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform)}
 
-        [host_machine]
-        system = '${stdenv.targetPlatform.parsed.kernel.name}'
-        cpu_family = '${cpuFamily stdenv.targetPlatform}'
-        cpu = '${stdenv.targetPlatform.parsed.cpu.name}'
-        endian = ${if stdenv.targetPlatform.isLittleEndian then "'little'" else "'big'"}
+    [host_machine]
+    system = '${stdenv.targetPlatform.parsed.kernel.name}'
+    cpu_family = '${cpuFamily stdenv.targetPlatform}'
+    cpu = '${stdenv.targetPlatform.parsed.cpu.name}'
+    endian = ${if stdenv.targetPlatform.isLittleEndian then "'little'" else "'big'"}
 
-        [binaries]
-        llvm-config = 'llvm-config-native'
-        rust = ['rustc', '--target', '${stdenv.targetPlatform.rust.rustcTargetSpec}']
-      '';
-      crossFlags = optionals (stdenv.hostPlatform != stdenv.buildPlatform) [ "--cross-file=${crossFile}" ];
-    in crossFlags ++ mesonFlags;
+    [binaries]
+    llvm-config = 'llvm-config-native'
+    rust = ['rustc', '--target', '${stdenv.targetPlatform.rust.rustcTargetSpec}']
+  '';
+
+  crossFlags = optionals (stdenv.hostPlatform != stdenv.buildPlatform) [ "--cross-file=${crossFile}" ];
+
+  makeMesonFlags = { mesonFlags ? [], ... }: crossFlags ++ mesonFlags;
 
 in
 {