gnu: libphonenumber: Build reproducibly.

* gnu/packages/messaging.scm (libphonenumber): Add patch.
* gnu/packages/patches/libphonenumber-reproducible-build.patch: New
file.
* gnu/local.mk (dist_patch_DATA): Register patch.

Signed-off-by: Jonathan Brielmaier <jonathan.brielmaier@web.de>

1 files changed, 25 insertions, 0 deletions

diff --git a/gnu/packages/patches/libphonenumber-reproducible-build.patch b/gnu/packages/patches/libphonenumber-reproducible-build.patch
new file mode 100644
index 0000000000..6d8cf5a628
--- /dev/null
+++ b/gnu/packages/patches/libphonenumber-reproducible-build.patch
@@ -0,0 +1,25 @@
+Author: Antero Mejr <antero@mailbox.org>
+Upstream status: I didn't report upstream because they don't have an issue tracker and
+PRs require signing the Google CLA. If someone willing to sign the CLA
+wants to submit the patch, please go ahead.
+
+diff --git a/tools/cpp/src/cpp-build/generate_geocoding_data.cc b/tools/cpp/src/cpp-build/generate_geocoding_data.cc
+index 021cf5c8..5948e140 100644
+--- a/tools/cpp/src/cpp-build/generate_geocoding_data.cc
++++ b/tools/cpp/src/cpp-build/generate_geocoding_data.cc
+@@ -88,6 +88,7 @@ class DirEntry {
+
+   const std::string& name() const { return name_; }
+   DirEntryKinds kind() const { return kind_; }
++  bool operator<(const DirEntry& d) { return name_ < d.name(); }
+ 
+  private:
+   std::string name_;
+@@ -115,6 +116,7 @@ bool ListDirectory(const string& path, vector<DirEntry>* entries) {
+     errno = 0;
+     entry = readdir(dir);
+     if (entry == NULL) {
++      std::sort(entries->begin(), entries->end());
+       return errno == 0;
+     }
+     if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {