From a50867096860f6fb01469cb8556f0533dda39235 Mon Sep 17 00:00:00 2001
From: Shuhei Takahashi <nya@chromium.org>
Date: Wed, 5 Jul 2023 11:28:22 +0900
Subject: [PATCH] sys-apps/proot: Fix build on LLVM toolchains

proot's makefile doesn't support overriding ld/pkg-config command
invocations, so patch it. An upstream patch has been sent:
https://github.com/proot-me/proot/issues/359

proot doesn't link with LLVM ld, so force to use GNU ld.
https://github.com/proot-me/proot/issues/360
---
 .../proot/files/proot-5.1.0-makefile.patch    | 16 ++++++++--
 .../proot/files/proot-5.3.0-makefile.patch    | 30 ++++++++++++++++---
 ...-5.1.0-r2.ebuild => proot-5.1.0-r3.ebuild} |  2 ++
 ...oot-5.3.0.ebuild => proot-5.3.0-r1.ebuild} |  3 ++
 4 files changed, 45 insertions(+), 6 deletions(-)
 rename sys-apps/proot/{proot-5.1.0-r2.ebuild => proot-5.1.0-r3.ebuild} (96%)
 rename sys-apps/proot/{proot-5.3.0.ebuild => proot-5.3.0-r1.ebuild} (94%)

diff --git a/sys-apps/proot/files/proot-5.1.0-makefile.patch b/sys-apps/proot/files/proot-5.1.0-makefile.patch
index 414cb29010cb7b..e17315c63eb69c 100644
--- a/sys-apps/proot/files/proot-5.1.0-makefile.patch
+++ b/sys-apps/proot/files/proot-5.1.0-makefile.patch
@@ -1,7 +1,10 @@
 --- a/src/GNUmakefile	2018-08-01 16:30:00.957743804 +0300
 +++ b/src/GNUmakefile	2018-08-01 16:30:34.876741798 +0300
-@@ -15,8 +15,8 @@
+@@ -13,10 +13,11 @@
+ STRIP    = $(CROSS_COMPILE)strip
+ OBJCOPY  = $(CROSS_COMPILE)objcopy
  OBJDUMP  = $(CROSS_COMPILE)objdump
++LD_CMD   = $(CROSS_COMPILE)ld
  
  CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -I. -I$(VPATH)
 -CFLAGS   += -Wall -Wextra -O2
@@ -11,7 +14,16 @@
  
  CARE_LDFLAGS = -larchive
  
-@@ -182,7 +182,7 @@
+@@ -130,7 +131,7 @@
+ 	$(Q)cat $^                      >> $@
+ 	$(Q)echo "#endif /* BUILD_H */" >> $@
+ 
+-BUILD_ID_NONE := $(shell if ld --build-id=none --version >/dev/null 2>&1; then echo ',--build-id=none'; fi)
++BUILD_ID_NONE := $(shell if ${LD_CMD} --build-id=none --version >/dev/null 2>&1; then echo ',--build-id=none'; fi)
+ 
+ ######################################################################
+ # Build rules
+@@ -182,7 +183,7 @@
  $(eval $(call define_from_arch.h,$1,LOADER_ADDRESS))
  
  LOADER_CFLAGS$1  += -fPIC -ffreestanding $(LOADER_ARCH_CFLAGS$1)
diff --git a/sys-apps/proot/files/proot-5.3.0-makefile.patch b/sys-apps/proot/files/proot-5.3.0-makefile.patch
index 15d7fc916b0ecb..77fcc008afae1d 100644
--- a/sys-apps/proot/files/proot-5.3.0-makefile.patch
+++ b/sys-apps/proot/files/proot-5.3.0-makefile.patch
@@ -1,11 +1,33 @@
 --- a/src/GNUmakefile	2022-01-21 11:40:00.957743804 +0300
 +++ b/src/GNUmakefile	2022-01-21 11:40:34.876741798 +0300
-@@ -21,8 +21,8 @@
- HAS_PYTHON_CONFIG := $(shell ${PYTHON}-config --ldflags ${PYTHON_EMBED} 2>/dev/null)
+@@ -14,6 +14,8 @@
+ OBJCOPY  = $(CROSS_COMPILE)objcopy
+ OBJDUMP  = $(CROSS_COMPILE)objdump
+ PYTHON   = python3
++LD_CMD   = $(CROSS_COMPILE)ld
++PKG_CONFIG = $(CROSS_COMPILE)pkg-config
+ 
+ HAS_SWIG := $(shell swig -version 2>/dev/null)
+ PYTHON_MAJOR_VERSION = $(shell ${PYTHON} -c "import sys; print(sys.version_info.major)" 2>/dev/null)
+@@ -22,9 +24,9 @@
  
  CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -I. -I$(VPATH)
 -CFLAGS   += -g -Wall -Wextra -O2
+-CFLAGS   += $(shell pkg-config --cflags talloc libarchive)
 +CFLAGS   += -Wall -Wextra
- CFLAGS   += $(shell pkg-config --cflags talloc libarchive)
++CFLAGS   += $(shell ${PKG_CONFIG} --cflags talloc libarchive)
  LDFLAGS  += -Wl,-z,noexecstack
- LDFLAGS  += $(shell pkg-config --libs talloc libarchive)
+-LDFLAGS  += $(shell pkg-config --libs talloc libarchive)
++LDFLAGS  += $(shell ${PKG_CONFIG} --libs talloc libarchive)
+ 
+ CARE_LDFLAGS = -larchive
+ 
+@@ -159,7 +161,7 @@
+ 	$(Q)cat $^                      >> $@
+ 	$(Q)echo "#endif /* BUILD_H */" >> $@
+ 
+-BUILD_ID_NONE := $(shell if ld --build-id=none --version >/dev/null 2>&1; then echo ',--build-id=none'; fi)
++BUILD_ID_NONE := $(shell if ${LD_CMD} --build-id=none --version >/dev/null 2>&1; then echo ',--build-id=none'; fi)
+ 
+ ######################################################################
+ # Build rules
diff --git a/sys-apps/proot/proot-5.1.0-r2.ebuild b/sys-apps/proot/proot-5.1.0-r3.ebuild
similarity index 96%
rename from sys-apps/proot/proot-5.1.0-r2.ebuild
rename to sys-apps/proot/proot-5.1.0-r3.ebuild
index cca458ee3e8678..6c6f6d54a2a343 100644
--- a/sys-apps/proot/proot-5.1.0-r2.ebuild
+++ b/sys-apps/proot/proot-5.1.0-r3.ebuild
@@ -37,6 +37,8 @@ src_compile() {
 	# build the proot and care targets
 	emake -C src V=1 \
 		CC="$(tc-getCC)" \
+		LD="$(tc-getCC) -fuse-ld=bfd" \
+		LD_CMD="$(tc-getLD)" \
 		OBJCOPY="$(tc-getOBJCOPY)" \
 		OBJDUMP="$(tc-getOBJDUMP)" \
 		STRIP="$(tc-getSTRIP)" \
diff --git a/sys-apps/proot/proot-5.3.0.ebuild b/sys-apps/proot/proot-5.3.0-r1.ebuild
similarity index 94%
rename from sys-apps/proot/proot-5.3.0.ebuild
rename to sys-apps/proot/proot-5.3.0-r1.ebuild
index eb4b5e4b443cf6..50773e9263b1a3 100644
--- a/sys-apps/proot/proot-5.3.0.ebuild
+++ b/sys-apps/proot/proot-5.3.0-r1.ebuild
@@ -36,6 +36,9 @@ src_compile() {
 	# build the proot and care targets
 	emake -C src V=1 \
 		CC="$(tc-getCC)" \
+		LD="$(tc-getCC) -fuse-ld=bfd" \
+		LD_CMD="$(tc-getLD)" \
+		PKG_CONFIG="$(tc-getPKG_CONFIG)" \
 		OBJCOPY="$(tc-getOBJCOPY)" \
 		OBJDUMP="$(tc-getOBJDUMP)" \
 		STRIP="$(tc-getSTRIP)" \