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-rw-r--r--gold/README15
1 files changed, 13 insertions, 2 deletions
diff --git a/gold/README b/gold/README
index 49de60a..8891d62 100644
--- a/gold/README
+++ b/gold/README
@@ -17,9 +17,7 @@ omissions--features of the GNU linker not currently supported in
gold--are:
* MEMORY regions in linker scripts
* MRI compatible linker scripts
- * linker map files (-M, -Map)
* cross-reference reports (--cref)
- * linker garbage collection (--gc-sections)
* position independent executables (-pie)
* various other minor options
@@ -51,3 +49,16 @@ of work. Task objects are stored on a single Workqueue object. Tasks
communicate via Task_token objects. Task_token objects are only
manipulated while holding the master Workqueue lock. Relatively few
mutexes are used.
+
+
+Build requirements
+==================
+
+The gold source code uses templates heavily. Building it requires a
+recent version of g++. g++ 4.0.3 is known to work. g++ 3.2 and g++
+3.4.3 are known to fail.
+
+The linker script parser uses features which are only in newer
+versions of bison. bison 2.3 is known to work. bison 1.26 is known
+to fail. If you are building gold from an official binutils release,
+the bison output should already be included.