gcc: drop unused libelf dependency

gcc stopped using libelf in commit 48215350c24 ("re PR lto/46273 (Failed
to bootstrap)") around 2010, before gcc-4.6.0.

10 files changed, 19 insertions, 56 deletions

diff --git a/pkgs/development/compilers/gcc/10/default.nix b/pkgs/development/compilers/gcc/10/default.nix
index 1c223fa82f4..b6f4d57f9b3 100644
--- a/pkgs/development/compilers/gcc/10/default.nix
+++ b/pkgs/development/compilers/gcc/10/default.nix
@@ -14,7 +14,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man)
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null
 , gnatboot ? null
@@ -29,9 +28,6 @@
 , buildPackages
 }:
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -173,7 +169,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (isl != null) isl)
     ++ (optional (zlib != null) zlib)
@@ -203,7 +199,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
 
       enableLTO
       enableMultilib
diff --git a/pkgs/development/compilers/gcc/11/default.nix b/pkgs/development/compilers/gcc/11/default.nix
index ca3a89af180..17cb8c45493 100644
--- a/pkgs/development/compilers/gcc/11/default.nix
+++ b/pkgs/development/compilers/gcc/11/default.nix
@@ -14,7 +14,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man)
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null
 , gnatboot ? null
@@ -29,9 +28,6 @@
 , buildPackages
 }:
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -181,7 +177,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (isl != null) isl)
     ++ (optional (zlib != null) zlib)
@@ -211,7 +207,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
 
       enableLTO
       enableMultilib
diff --git a/pkgs/development/compilers/gcc/12/default.nix b/pkgs/development/compilers/gcc/12/default.nix
index 6fdc31079a8..5d971c3d5ea 100644
--- a/pkgs/development/compilers/gcc/12/default.nix
+++ b/pkgs/development/compilers/gcc/12/default.nix
@@ -14,7 +14,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man)
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null
 , gnatboot ? null
@@ -29,9 +28,6 @@
 , buildPackages
 }:
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -176,7 +172,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (isl != null) isl)
     ++ (optional (zlib != null) zlib)
@@ -206,7 +202,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
 
       enableLTO
       enableMultilib
diff --git a/pkgs/development/compilers/gcc/4.8/default.nix b/pkgs/development/compilers/gcc/4.8/default.nix
index bc93d6e1358..65d0a54bc10 100644
--- a/pkgs/development/compilers/gcc/4.8/default.nix
+++ b/pkgs/development/compilers/gcc/4.8/default.nix
@@ -13,7 +13,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man); required for Java
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , cloog ? null, isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null, boehmgc ? null
 , zip ? null, unzip ? null, pkg-config ? null
@@ -39,9 +38,6 @@ assert langJava     -> zip != null && unzip != null
 # We enable the isl cloog backend.
 assert cloog != null -> isl != null;
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -179,7 +175,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (cloog != null) cloog)
     ++ (optional (isl != null) isl)
@@ -210,7 +206,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
       cloog
 
       enableLTO
diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index cc675de2254..8387f2e9549 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -13,7 +13,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man); required for Java
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , cloog ? null, isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null, boehmgc ? null
 , zip ? null, unzip ? null, pkg-config ? null
@@ -39,9 +38,6 @@ assert langJava     -> zip != null && unzip != null
 # We enable the isl cloog backend.
 assert cloog != null -> isl != null;
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -199,7 +195,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (cloog != null) cloog)
     ++ (optional (isl != null) isl)
@@ -230,7 +226,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
       cloog
 
       enableLTO
diff --git a/pkgs/development/compilers/gcc/6/default.nix b/pkgs/development/compilers/gcc/6/default.nix
index d108dc11f18..0eb5b0feb25 100644
--- a/pkgs/development/compilers/gcc/6/default.nix
+++ b/pkgs/development/compilers/gcc/6/default.nix
@@ -15,7 +15,6 @@
 , flex
 , perl ? null # optional, for texi2pod (then pod2man); required for Java
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null, boehmgc ? null
 , gnatboot ? null
@@ -40,9 +39,6 @@ assert langJava     -> zip != null && unzip != null
                        && zlib != null && boehmgc != null
                        && perl != null;  # for `--enable-java-home'
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -210,7 +206,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (isl != null) isl)
     ++ (optional (zlib != null) zlib)
@@ -242,7 +238,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
 
       enableLTO
       enableMultilib
diff --git a/pkgs/development/compilers/gcc/7/default.nix b/pkgs/development/compilers/gcc/7/default.nix
index e4e1f2038de..64dac4cf8e1 100644
--- a/pkgs/development/compilers/gcc/7/default.nix
+++ b/pkgs/development/compilers/gcc/7/default.nix
@@ -12,7 +12,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man)
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null
 , enableMultilib ? false
@@ -26,9 +25,6 @@
 , buildPackages
 }:
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -178,7 +174,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (isl != null) isl)
     ++ (optional (zlib != null) zlib)
@@ -209,7 +205,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
 
       enableLTO
       enableMultilib
diff --git a/pkgs/development/compilers/gcc/8/default.nix b/pkgs/development/compilers/gcc/8/default.nix
index 7e94ec61c6b..140379eff54 100644
--- a/pkgs/development/compilers/gcc/8/default.nix
+++ b/pkgs/development/compilers/gcc/8/default.nix
@@ -12,7 +12,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man)
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null
 , enableMultilib ? false
@@ -26,9 +25,6 @@
 , buildPackages
 }:
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -162,7 +158,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (isl != null) isl)
     ++ (optional (zlib != null) zlib)
@@ -192,7 +188,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
 
       enableLTO
       enableMultilib
diff --git a/pkgs/development/compilers/gcc/9/default.nix b/pkgs/development/compilers/gcc/9/default.nix
index 707ead542f0..cd34bfe3591 100644
--- a/pkgs/development/compilers/gcc/9/default.nix
+++ b/pkgs/development/compilers/gcc/9/default.nix
@@ -14,7 +14,6 @@
 , texinfo ? null
 , perl ? null # optional, for texi2pod (then pod2man)
 , gmp, mpfr, libmpc, gettext, which, patchelf
-, libelf                      # optional, for link-time optimizations (LTO)
 , isl ? null # optional, for the Graphite optimization framework.
 , zlib ? null
 , gnatboot ? null
@@ -34,9 +33,6 @@
 # cgit) that are needed here should be included directly in Nixpkgs as
 # files.
 
-# LTO needs libelf and zlib.
-assert libelf != null -> zlib != null;
-
 # Make sure we get GNU sed.
 assert stdenv.hostPlatform.isDarwin -> gnused != null;
 
@@ -175,7 +171,7 @@ stdenv.mkDerivation ({
     ++ optional targetPlatform.isLinux patchelf;
 
   buildInputs = [
-    gmp mpfr libmpc libelf
+    gmp mpfr libmpc
     targetPackages.stdenv.cc.bintools # For linking code at run-time
   ] ++ (optional (isl != null) isl)
     ++ (optional (zlib != null) zlib)
@@ -205,7 +201,7 @@ stdenv.mkDerivation ({
       crossStageStatic libcCross
       version
 
-      gmp mpfr libmpc libelf isl
+      gmp mpfr libmpc isl
 
       enableLTO
       enableMultilib
diff --git a/pkgs/development/compilers/gcc/common/configure-flags.nix b/pkgs/development/compilers/gcc/common/configure-flags.nix
index 8ac7152d7e2..09533163cbf 100644
--- a/pkgs/development/compilers/gcc/common/configure-flags.nix
+++ b/pkgs/development/compilers/gcc/common/configure-flags.nix
@@ -4,7 +4,7 @@
 , crossStageStatic, libcCross
 , version
 
-, gmp, mpfr, libmpc, libelf, isl
+, gmp, mpfr, libmpc, isl
 , cloog ? null
 
 , enableLTO
@@ -110,7 +110,6 @@ let
       "--with-mpfr-lib=${mpfr.out}/lib"
       "--with-mpc=${libmpc}"
     ]
-    ++ lib.optional (libelf != null) "--with-libelf=${libelf}"
     ++ lib.optionals (!crossStageStatic) [
       (if libcCross == null
        then "--with-native-system-header-dir=${lib.getDev stdenv.cc.libc}/include"