Fix CMake build warnings

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.9)
+cmake_minimum_required (VERSION 3.9...3.30)
 
 project(maxminddb
   LANGUAGES C

Changes.md

@@ -7,6 +7,11 @@
   certain errors occurred. Pull request by pkillarjun. GitHub #356.
 * There is now a build target to fuzz the library. Pull request by
   pkillarjun. GitHub #357.
+* Updated `cmake_minimum_required` to a version range to quiet deprecation
+  warnings on new CMake versions. Reported by gmou3. GitHub #359.
+* The script for generating man pages no longer uses `autodie`. This
+  eliminates the dependency on `IPC::System::Simple`. Reported by gmou3.
+  GitHub #359.
 
 ## 1.11.0 - 2024-08-21
 

dev-bin/make-man-pages.pl

@@ -2,7 +2,6 @@
 
 use strict;
 use warnings;
-use autodie qw( :all );
 
 use FindBin qw( $Bin );
 
@@ -54,7 +53,7 @@ sub _make_man {
             '-M', "section:$section",
             $input,
             '-o', $output,
-        );
+        ) == 0 or die "Failed to run pandoc: $!";
         _pandoc_postprocess($output);
     }
     elsif ( $translator eq 'lowdown' ) {
@@ -67,7 +66,7 @@ sub _make_man {
             '-M', "section:$section",
             $input,
             '-o', $output,
-        );
+        ) == 0 or die "Failed to run lowdown: $!";
     }
 }
 
@@ -76,9 +75,11 @@ sub _make_lib_man_links {
 
     my $header = read_file("$Bin/../include/maxminddb.h");
     for my $proto ( $header =~ /^ *extern.+?(MMDB_\w+)\(/gsm ) {
-        open my $fh, '>', "$target/man/man3/$proto.3";
-        print {$fh} ".so man3/libmaxminddb.3\n";
-        close $fh;
+        open my $fh, '>', "$target/man/man3/$proto.3"
+            or die "Failed to open file: $!";
+        print {$fh} ".so man3/libmaxminddb.3\n"
+            or die "Failed to write to file: $!";
+        close $fh or die "Failed to close file: $!";
     }
 }
 
@@ -92,7 +93,7 @@ sub _pandoc_postprocess {
             s/^\.IP\n\.nf/.IP "" 4\n.nf/gm;
             s/(Automatically generated by Pandoc)(.+)$/$1/m;
         },
-        $file
+        $file,
     );
 }