From f6298a53a249da5c207f2e5a50798241512c9cc4 Mon Sep 17 00:00:00 2001
From: "D.musique" <d-musique@users.noreply.github.com>
Date: Fri, 3 Jan 2025 02:28:44 +0100
Subject: [PATCH] Add configuration placeholder %%ldcversion%%

---
 CHANGELOG.md        | 1 +
 driver/configfile.d | 9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 446fdea0f6..e504a75d4e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # LDC master
 
 #### Big news
+- ldc2.conf: `%%ldcversion%%` placeholder added, allowing to refer to version-specific directories.
 
 #### Platform support
 
diff --git a/driver/configfile.d b/driver/configfile.d
index 4d0b648d06..fa9b090e91 100644
--- a/driver/configfile.d
+++ b/driver/configfile.d
@@ -110,11 +110,18 @@ struct CfgPaths
     }
 }
 
+extern(C++, "ldc")
+{
+    extern __gshared const(const(char) *) ldc_version;
+}
+
 string replacePlaceholders(string str, CfgPaths cfgPaths)
 {
+    const dVersion = ldc_version[0..strlen(ldc_version)];
     return str
         .replace("%%ldcbinarypath%%", cfgPaths.ldcBinaryDir)
-        .replace("%%ldcconfigpath%%", cfgPaths.cfgBaseDir);
+        .replace("%%ldcconfigpath%%", cfgPaths.cfgBaseDir)
+        .replace("%%ldcversion%%", cast(string) dVersion);
 }
 
 extern(C++) struct ConfigFile