fix(build): Use space-separated string for CMAKE_REQUIRED_FLAGS

This is a cherry-pick of commit d733c11206a350f2af3cd13c6d5929e9fb6b27a1
from branch 'libpng18'.

Co-authored-by: Brad King <brad.king@kitware.com>
Signed-off-by: Cosmin Truta <ctruta@gmail.com>

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5e0667..d994e23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -396,34 +396,37 @@
 VERS_1 { global: sym1; local: *; };
 VERS_2 { global: sym2; main; } VERS_1;
 ")
-  set(_SAVED_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+  # CMAKE_REQUIRED_FLAGS is a space-separated string, not a CMake list.
+  # Use string(APPEND) instead of list(APPEND) to prevent misparsing by
+  # try_compile under CMake 4.4 or newer.
+  set(_SAVED_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
   if(NOT CMAKE_HOST_SOLARIS)
     # Avoid using CMAKE_SHARED_LIBRARY_C_FLAGS in version script checks on
     # Solaris, because of an incompatibility with the Solaris link editor.
-    list(APPEND CMAKE_REQUIRED_FLAGS ${CMAKE_SHARED_LIBRARY_C_FLAGS})
+    string(APPEND CMAKE_REQUIRED_FLAGS " ${CMAKE_SHARED_LIBRARY_C_FLAGS}")
   endif()
-  list(APPEND CMAKE_REQUIRED_FLAGS
-              "-Wl,--version-script='${CMAKE_CURRENT_BINARY_DIR}/conftest.map'")
+  string(APPEND CMAKE_REQUIRED_FLAGS
+                " -Wl,--version-script='${CMAKE_CURRENT_BINARY_DIR}/conftest.map'")
   check_c_source_compiles("
 void sym1(void) {}
 void sym2(void) {}
 int main(void) { return 0; }
 " HAVE_LD_VERSION_SCRIPT)
   if(NOT HAVE_LD_VERSION_SCRIPT)
-    set(CMAKE_REQUIRED_FLAGS ${_SAVED_CMAKE_REQUIRED_FLAGS})
+    set(CMAKE_REQUIRED_FLAGS "${_SAVED_CMAKE_REQUIRED_FLAGS}")
     if(NOT CMAKE_HOST_SOLARIS)
       # Again, avoid using CMAKE_SHARED_LIBRARY_C_FLAGS in version script
       # checks on Solaris.
-      list(APPEND CMAKE_REQUIRED_FLAGS ${CMAKE_SHARED_LIBRARY_C_FLAGS})
+      string(APPEND CMAKE_REQUIRED_FLAGS " ${CMAKE_SHARED_LIBRARY_C_FLAGS}")
     endif()
-    list(APPEND CMAKE_REQUIRED_FLAGS "-Wl,-M -Wl,${CMAKE_CURRENT_BINARY_DIR}/conftest.map")
+    string(APPEND CMAKE_REQUIRED_FLAGS " -Wl,-M -Wl,${CMAKE_CURRENT_BINARY_DIR}/conftest.map")
     check_c_source_compiles("
 void sym1(void) {}
 void sym2(void) {}
 int main(void) { return 0; }
 " HAVE_SOLARIS_LD_VERSION_SCRIPT)
   endif()
-  set(CMAKE_REQUIRED_FLAGS ${_SAVED_CMAKE_REQUIRED_FLAGS})
+  set(CMAKE_REQUIRED_FLAGS "${_SAVED_CMAKE_REQUIRED_FLAGS}")
   file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/conftest.map")
 endif()
 

scripts/cmake/AUTHORS.md

diff --git a/scripts/cmake/AUTHORS.md b/scripts/cmake/AUTHORS.md
index ea4584e..0f9d4e9 100644
--- a/scripts/cmake/AUTHORS.md
+++ b/scripts/cmake/AUTHORS.md
@@ -11,6 +11,7 @@
  * B. Scott Michel
  * Benjamin Buch
  * Bernd Kuhls
+ * Brad King
  * Cameron Cawley
  * Carlo Bramini
  * Christian Ehrlicher
@@ -31,6 +32,7 @@
  * John Bowler
  * Jon Creighton
  * Joost Nieuwenhuijse
+ * Kakeyama Yaito (掛山夜糸)
  * Kyle Bentley
  * Luis Caro Campos
  * Martin Storsjö