frontier-client: adapt pacparser_setmyip function to new pacparser release (#29936)

1 files changed, 20 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/frontier-client/package.py b/var/spack/repos/builtin/packages/frontier-client/package.py
index 260bcdf0f4..65cfe31aad 100644
--- a/var/spack/repos/builtin/packages/frontier-client/package.py
+++ b/var/spack/repos/builtin/packages/frontier-client/package.py
@@ -26,6 +26,26 @@ class FrontierClient(MakefilePackage):
 
     patch('frontier-client.patch', level=0)
 
+    # pacparser changed the function return type from void to
+    # int from v1.3.9, whereas frontier-client has not tagged
+    # any new versions in a while. Therefore, the patch below
+    # serves as a (temporary) fix. See
+    # https://github.com/spack/spack/pull/29936
+    @when('^pacparser@1.3.9:')
+    def patch(self):
+        filter_file('static void (*pp_setmyip)(const char *);',
+                    'static int (*pp_setmyip)(const char *);',
+                    'client/pacparser-dlopen.c', string=True)
+        filter_file('void pacparser_setmyip(const char *ip)',
+                    'int pacparser_setmyip(const char *ip)',
+                    'client/pacparser-dlopen.c', string=True)
+        filter_file(r'  if\(\!pp_dlhandle\)\n    return;',
+                    r'  if\(\!pp_dlhandle\)\n    return 0;',
+                    'client/pacparser-dlopen.c')
+        filter_file('  (*pp_setmyip)(ip);',
+                    '  return (*pp_setmyip)(ip);',
+                    'client/pacparser-dlopen.c', string=True)
+
     def edit(self, spec, prefix):
         makefile = FileFilter('client/Makefile')
         makefile.filter('EXPAT_DIR}/lib', 'EXPAT_DIR}/lib64')