From 3b316cfc1782dbe004be880327f98a69e04e573d Mon Sep 17 00:00:00 2001
From: Finagolfin <repo@butta.fastem.com>
Date: Tue, 18 Jul 2023 21:17:51 +0530
Subject: [PATCH] enhance(libllvm): add a flag to clang so the Termux rpaths
 are not automatically added

---
 packages/libllvm/build.sh                         |  2 +-
 .../clang-include-clang-Driver-Options.td.patch   | 15 +++++++++++++++
 .../clang-lib-Driver-ToolChains-Linux.cpp.patch   | 12 +++++++-----
 3 files changed, 23 insertions(+), 6 deletions(-)
 create mode 100644 packages/libllvm/clang-include-clang-Driver-Options.td.patch

diff --git a/packages/libllvm/build.sh b/packages/libllvm/build.sh
index 4f3d95438f2866d..1ebfa21f930633b 100644
--- a/packages/libllvm/build.sh
+++ b/packages/libllvm/build.sh
@@ -5,7 +5,7 @@ TERMUX_PKG_LICENSE_FILE="llvm/LICENSE.TXT"
 TERMUX_PKG_MAINTAINER="@finagolfin"
 LLVM_MAJOR_VERSION=16
 TERMUX_PKG_VERSION=${LLVM_MAJOR_VERSION}.0.6
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SHA256=ce5e71081d17ce9e86d7cbcfa28c4b04b9300f8fb7e78422b1feb6bc52c3028e
 TERMUX_PKG_SRCURL=https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/llvm-project-$TERMUX_PKG_VERSION.src.tar.xz
 TERMUX_PKG_HOSTBUILD=true
diff --git a/packages/libllvm/clang-include-clang-Driver-Options.td.patch b/packages/libllvm/clang-include-clang-Driver-Options.td.patch
new file mode 100644
index 000000000000000..4b98436439e5efa
--- /dev/null
+++ b/packages/libllvm/clang-include-clang-Driver-Options.td.patch
@@ -0,0 +1,15 @@
+diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
+index 59e1337599b2..656545555349 100644
+--- a/clang/include/clang/Driver/Options.td
++++ b/clang/include/clang/Driver/Options.td
+@@ -4879,6 +4879,10 @@ defm spec_constr_count : BooleanFFlag<"spec-constr-count">, Group<clang_ignored_
+ defm stack_check : BooleanFFlag<"stack-check">, Group<clang_ignored_f_Group>;
+ defm strength_reduce :
+     BooleanFFlag<"strength-reduce">, Group<clang_ignored_gcc_optimization_f_Group>;
++defm termux_rpath : BoolFOption<"termux-rpath",
++  LangOpts<"OpenMP">, DefaultTrue,
++  NegFlag<SetFalse, [], "Disable">, PosFlag<SetTrue, [], "Enable">,
++  BothFlags<[], " setting rpaths for the Termux environment">>;
+ defm tls_model : BooleanFFlag<"tls-model">, Group<clang_ignored_f_Group>;
+ defm tracer : BooleanFFlag<"tracer">, Group<clang_ignored_gcc_optimization_f_Group>;
+ defm tree_dce : BooleanFFlag<"tree-dce">, Group<clang_ignored_gcc_optimization_f_Group>;
diff --git a/packages/libllvm/clang-lib-Driver-ToolChains-Linux.cpp.patch b/packages/libllvm/clang-lib-Driver-ToolChains-Linux.cpp.patch
index c08a83d39ca1c56..49da07fb79603b9 100644
--- a/packages/libllvm/clang-lib-Driver-ToolChains-Linux.cpp.patch
+++ b/packages/libllvm/clang-lib-Driver-ToolChains-Linux.cpp.patch
@@ -20,7 +20,7 @@
      addPathIfExists(D, concat(SysRoot, "/usr/lib/..", OSLibDir), Paths);
    if (IsRISCV) {
      StringRef ABIName = tools::riscv::getRISCVABI(Args, Triple);
-@@ -311,7 +311,18 @@
+@@ -311,7 +311,20 @@
      addPathIfExists(D, D.Dir + "/../lib", Paths);
  
    addPathIfExists(D, concat(SysRoot, "/lib"), Paths);
@@ -32,10 +32,12 @@
 +  if (IsAndroid) {
 +    addPathIfExists(D, concat(SysRoot, "/usr/", MultiarchTriple, "/lib"), Paths);
 +    addPathIfExists(D, concat("/system/", OSLibDir), Paths);
-+    if (nativeBuild)
-+      ExtraOpts.push_back("-rpath=" + SysRoot + "/usr/lib");
-+    else
-+      ExtraOpts.push_back("-rpath=" + SysRoot + "/usr/" + MultiarchTriple + "/lib");
++    if (Args.hasFlag(options::OPT_ftermux_rpath, options::OPT_fno_termux_rpath, true)) {
++      if (nativeBuild)
++        ExtraOpts.push_back("-rpath=" + SysRoot + "/usr/lib");
++      else
++        ExtraOpts.push_back("-rpath=" + SysRoot + "/usr/" + MultiarchTriple + "/lib");
++    }
 +  }
  }