dev-perl/WWW-Curl: fix build failure against curl-7.50.2 and upper, bug #593280

Reported-by: Toralf Förster
Bug: https://bugs.gentoo.org/593280

Package-Manager: portage-2.3.0

1 files changed, 40 insertions, 0 deletions

diff --git a/dev-perl/WWW-Curl/files/WWW-Curl-4.150.0-curl-7.50.2.patch b/dev-perl/WWW-Curl/files/WWW-Curl-4.150.0-curl-7.50.2.patch
new file mode 100644
index 000000000000..2fecfce621a8
--- /dev/null
+++ b/dev-perl/WWW-Curl/files/WWW-Curl-4.150.0-curl-7.50.2.patch
@@ -0,0 +1,40 @@
+curl-7.50.2 introduced a #define without integer value:
+
+    #ifdef CURL_NO_OLDIES
+    #define CURL_STRICTER
+    #endif
+
+Heuristics in 'Makefile.PL' assumes all defines in form of
+    #define CURL_<something> <an-expression>
+and generates a symbol lookup table in 'curlopt-constants.c'
+as:
+
+  static int
+  constant(const char *name)
+  {
+    errno = 0;
+
+    if (strncmp(name, "CURL_", 5) == 0) {
+        name += 5;
+        switch (*name) {
+        ...
+        case 'S':
+            if (strEQ(name, "STRICTER")) return CURL_STRICTER;
+Which is not valid C:
+  curlopt-constants.c:128:49: error: ‘CURL_STRICTER’ undeclared (first use in this function)
+             if (strEQ(name, "STRICTER")) return CURL_STRICTER;
+                                                 ^~~~~~~~~~~~~
+diff --git a/Makefile.PL b/Makefile.PL
+index f9170bb..fc1a55a 100644
+--- a/Makefile.PL
++++ b/Makefile.PL
+@@ -122,2 +122,9 @@ if (!defined($curl_h)) {
+     while(<H>) {
++        # Skip defines without values like:
++        #    #define CURL_STRICTER
++        if (/^#define (CURL[A-Za-z0-9_]*)$/) {
++            chomp;
++            warn "Skipping '$_': does not define a symbol";
++            next;
++        }
+         if (/^#define (CURL[A-Za-z0-9_]*)/) {