draft expat for hermes

expat.hpkg

(use ../prelude)
(import ../core)
(use ./cmake)
(use ./patchelf)

(defsrc expat-src
  :url
  "https://github.com/libexpat/libexpat/releases/download/R_2_2_9/expat-2.2.9.tar.lz"
  :hash
  "sha256:a1e85abcd97c2aa71005190d24a7c46dcf7bd29c097c31e917cda1b400c38a49")

(defpkg expat
  :builder
  (fn []
    (os/setenv "PATH"
               (string "/bin:"
                       (join-pkg-paths ":" "/bin"
                                       [cmake
                                        core/gcc
                                        core/make
                                        patchelf])))
    (os/setenv "CFLAGS" *default-cflags*)
    (os/setenv "LDFLAGS"
               (string *default-ldflags*
                       " "
                       # XXX: does cmake strip RUNPATH?
                       "-Wl,--enable-new-dtags"))
    (unpack-src expat-src)
    (core/link-/bin/sh)
    (sh/$ cmake
          -B build-cmake
          -S .
          -DCMAKE_BUILD_TYPE=Release
          -DCMAKE_INSTALL_PREFIX= ^ (dyn :pkg-out))
    (sh/$ cmake
          --build build-cmake
          -j (dyn :parallelism))
    (sh/$ cmake
          --build build-cmake
          --target install)
    # XXX: does cmake strip rpath info?
    (sh/$ patchelf --set-rpath
          # XXX: note this is lib64
          (string (dyn :pkg-out) "/lib64")
          (string (dyn :pkg-out) "/bin/xmlwf"))
    #(sh/$ patchelf --set-rpath
    #      # XXX: note this is lib64
    #      (string (dyn :pkg-out) "/lib64")
    #      (string (dyn :pkg-out) "/lib64/libexpat.so"))
))