Merge pull request zig-bitcoin#14 from zig-bitcoin/fix-build-zig

fix build after PR ziglang/zig#20388

Author: AbdelStark

.github/workflows/check.yml

@@ -7,7 +7,7 @@ on:
     branches: [main]
 
 env:
-  ZIG_VERSION: 0.14.0-dev.909+f9f894200
+  ZIG_VERSION: 0.14.0-dev.3427+dea72d15d
 
 jobs:
   build:

build.zig

@@ -29,12 +29,12 @@ fn buildSecp256k1(libsecp_c: *std.Build.Dependency, b: *std.Build, target: std.B
             "./src/precomputed_ecmult_gen.c",
         },
     });
-    lib.defineCMacro("USE_FIELD_10X26", "1");
-    lib.defineCMacro("USE_SCALAR_8X32", "1");
-    lib.defineCMacro("USE_ENDOMORPHISM", "1");
-    lib.defineCMacro("USE_NUM_NONE", "1");
-    lib.defineCMacro("USE_FIELD_INV_BUILTIN", "1");
-    lib.defineCMacro("USE_SCALAR_INV_BUILTIN", "1");
+    lib.root_module.addCMacro("USE_FIELD_10X26", "1");
+    lib.root_module.addCMacro("USE_SCALAR_8X32", "1");
+    lib.root_module.addCMacro("USE_ENDOMORPHISM", "1");
+    lib.root_module.addCMacro("USE_NUM_NONE", "1");
+    lib.root_module.addCMacro("USE_FIELD_INV_BUILTIN", "1");
+    lib.root_module.addCMacro("USE_SCALAR_INV_BUILTIN", "1");
 
     lib.installHeadersDirectory(libsecp_c.path("src"), "", .{ .include_extensions = &.{".h"} });
     lib.installHeadersDirectory(libsecp_c.path("include/"), "", .{ .include_extensions = &.{".h"} });