(#5835) remove register keyword as not cpp17 complient

* remove register keyword as not cpp17 complient

* move cpp17 fix to a patch

* add patch

recipes/gperf/all/conandata.yml

@@ -2,3 +2,7 @@ sources:
   "3.1":
     url: "https://ftp.gnu.org/pub/gnu/gperf/gperf-3.1.tar.gz"
     sha256: "588546b945bba4b70b6a3a616e80b4ab466e3f33024a352fc2198112cdbb3ae2"
+patches:
+  "3.1":
+    - patch_file: "all/0001-assert-exception-upstream-issue-2011.patch"
+      base_path: "source_subfolder"

recipes/gperf/all/conanfile.py

@@ -11,6 +11,7 @@ class GperfConan(ConanFile):
     settings = "os", "arch", "compiler"
     _source_subfolder = "source_subfolder"
     _autotools = None
+    exports_sources = "patches/**"
 
     @property
     def _is_msvc(self):

recipes/gperf/all/patches/0001-remove-register-keyword.patch

@@ -0,0 +1,13 @@
+diff --git a/lib/getline.cc b/lib/getline.cc
+index ecc3e85..2d97644 100644 (file)
+--- a/lib/getline.cc
++++ b/lib/getline.cc
+@@ -55,7 +55,7 @@ getstr (char **lineptr, size_t *n, FILE *stream, char terminator, size_t offset)
+
+   for (;;)
+     {
+-      register int c = getc (stream);
++      int c = getc (stream);
+
+       /* We always want at least one char left in the buffer, since we
+          always (unless we get an error while reading the first char)