initial patch set

patches/Cabal-3.2.1.0.patch

@@ -0,0 +1,20 @@
+diff --git a/Distribution/Simple/GHCJS.hs b/Distribution/Simple/GHCJS.hs
+index 4ad5bb18c..5db4d27e7 100644
+--- a/Distribution/Simple/GHCJS.hs
++++ b/Distribution/Simple/GHCJS.hs
+@@ -317,13 +317,10 @@ checkPackageDbStack :: Verbosity -> PackageDBStack -> IO ()
+ checkPackageDbStack _ (GlobalPackageDB:rest)
+   | GlobalPackageDB `notElem` rest = return ()
+ checkPackageDbStack verbosity rest
+-  | GlobalPackageDB `notElem` rest =
+-  die' verbosity $ "With current ghc versions the global package db is always used "
+-     ++ "and must be listed first. This ghc limitation may be lifted in "
+-     ++ "future, see http://ghc.haskell.org/trac/ghc/ticket/5977"
+-checkPackageDbStack verbosity _ =
++  | GlobalPackageDB `elem` rest =
+   die' verbosity $ "If the global package db is specified, it must be "
+      ++ "specified first and cannot be specified multiple times"
++checkPackageDbStack _ _ = return ()
+
+ getInstalledPackages' :: Verbosity -> [PackageDB] -> ProgramDb
+                       -> IO [(PackageDB, [InstalledPackageInfo])]

patches/basement-0.0.12.patch

@@ -0,0 +1,19 @@
+diff --git b/basement.cabal a/basement.cabal
+index 72125e015..b7670c3ee 100644
+--- b/basement.cabal
++++ a/basement.cabal
+@@ -160,3 +160,5 @@ library
+   c-sources:         cbits/foundation_mem.c
+   if impl(ghc < 8.2)
+     c-sources:       cbits/basement_rts.c
++  if os(ghcjs)
++    js-sources: jsbits/basement.js
+diff --git b/jsbits/basement.js a/jsbits/basement.js
+new file mode 100644
+index 000000000..3d9172147
+--- /dev/null
++++ a/jsbits/basement.js
+@@ -0,0 +1,3 @@
++function h$_foundation_memcmp(s1, o1, off1, s2, o2, off2, n) {
++    h$memcmp(s1, o1 + off2, s2, o2 + off2, n);
++}

patches/clock-0.8.2.patch

@@ -0,0 +1,42 @@
+diff --git b/clock.cabal a/clock.cabal
+index 253033538..8a73b9640 100644
+--- b/clock.cabal
++++ a/clock.cabal
+@@ -84,6 +84,8 @@ library
+     if flag(llvm)
+       ghc-options:       -fllvm -optlo-O3
+
++    if os(ghcjs)
++      js-sources: jsbits/gettime.js
+
+ test-suite test
+     default-language: Haskell2010
+diff --git b/jsbits/gettime.js a/jsbits/gettime.js
+new file mode 100644
+index 000000000..a09f351b9
+--- /dev/null
++++ a/jsbits/gettime.js
+@@ -0,0 +1,23 @@
++function h$clock_gettime(when, p_d, p_o) {
++  /* XXX: guess if we have to write 64 bit values:
++            alloca is often used and will give us 16 bytes
++            if timespec contains two 64 bit values
++          but we really should fix this by not having hsc2hs values
++          from the build system leak here
++   */
++  var is64 = p_d.i3.length == 4 && p_o == 0;
++  var o  = p_o >> 2,
++      t  = Date.now ? Date.now() : new Date().getTime(),
++      tf = Math.floor(t / 1000),
++      tn = 1000000 * (t - (1000 * tf));
++  if(is64) {
++    p_d.i3[o]   = tf|0;
++    p_d.i3[o+1] = 0;
++    p_d.i3[o+2] = tn|0;
++    p_d.i3[o+3] = 0;
++  } else {
++    p_d.i3[o]   = tf|0;
++    p_d.i3[o+1] = tn|0;
++  }
++  return 0;
++}