main/syslinux: fix build with gcc-10

main/syslinux/APKBUILD

@@ -19,10 +19,10 @@ source="https://www.kernel.org/pub/linux/utils/boot/syslinux/Testing/${pkgver%_p
 	update-extlinux
 	0018-prevent-pow-optimization.patch
 	fix-sysmacros.patch
+	gcc-10.patch
 	"
 subpackages="$pkgname-doc $pkgname-dev"
 
-_loaderarch=
 case "$CARCH" in
 x86)	_loaderarch=efi32;;
 x86_64)	_loaderarch=efi64;;
@@ -30,25 +30,23 @@ esac
 
 builddir="$srcdir"/$pkgname-$_ver
 prepare() {
-	cd "$builddir"
+	default_prepare
 	for i in $source; do
 		i=${i%%::*}
 		case "$i" in
-		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
+		*.patch) msg $i; patch -p1 -i "$srcdir"/$i ;;
 		esac
 	done
 }
 
 build() {
-	cd "$builddir"
 	unset LDFLAGS
-	make $_loaderarch installer || return 1
+	make $_loaderarch installer
 }
 
 package() {
-	cd "$builddir"
 	make -j1 INSTALLROOT="$pkgdir" MANDIR=/usr/share/man \
-		bios $_loaderarch install || return 1
+		bios $_loaderarch install
 
 	mkdir -p "$pkgdir"/etc/update-extlinux.d
 	cp "$srcdir"/update-extlinux.conf "$pkgdir"/etc/
@@ -61,4 +59,5 @@ sha512sums="7927dd39be8e2dcf4138a6fea33def67d19d938379d694f15b48fdd2f5924c028b7a
 9d2b82c91525de584daad6b0c0e2df5d13092c47e91a812e26405f5ff78d4587a8ae7f7a8590124687307f83efb15f686e4090193adc7b4e3601a4200f9283cd  update-extlinux.conf
 bfeb911507c079c8b01027a7823e562d81100b1fcd0786c707ad33c5ce18fa0eb6d6db34bc7b6cbbc419248188970cebe8286345f4aa3662d16644c51f50b98c  update-extlinux
 92fa48133ef702092d7acafae0e0e20f9355cd2b5fe199b96fcccba5a1e688c360de4d069391815255f5493228ad03998d20b99748323396d20d12a1f27c60cd  0018-prevent-pow-optimization.patch
-6fb63b50a6c746445a58badc81cbf8525f38e2a7868b97ac21aa9d20c162f2318fab6c25505614700033a840aa5c06c3cef3065f11b5b5f4e514474194ff4b54  fix-sysmacros.patch"
+6fb63b50a6c746445a58badc81cbf8525f38e2a7868b97ac21aa9d20c162f2318fab6c25505614700033a840aa5c06c3cef3065f11b5b5f4e514474194ff4b54  fix-sysmacros.patch
+62a45f94107300b05a93be18a228c15ae9ce90addeee39a1ef35845077b493e72ebed35791bf8db21c406c379a83220cc4db4e1919c01fcd387ae10b2cfc8861  gcc-10.patch"

main/syslinux/gcc-10.patch

@@ -0,0 +1,109 @@
+From 951928f2cad5682c2844e6bd0f7201236c5d9b66 Mon Sep 17 00:00:00 2001
+From: Merlin Mathesius <mmathesi@redhat.com>
+Date: Wed, 13 May 2020 08:02:27 -0500
+Subject: [PATCH] Workaround multiple definition of symbol errors
+
+---
+ com32/cmenu/Makefile           | 2 +-
+ com32/elflink/ldlinux/Makefile | 2 +-
+ com32/gpllib/Makefile          | 2 +-
+ com32/hdt/Makefile             | 2 +-
+ core/Makefile                  | 2 +-
+ dos/Makefile                   | 2 +-
+ efi/Makefile                   | 2 +-
+ 7 files changed, 7 insertions(+), 7 deletions(-)
+
+diff --git a/com32/cmenu/Makefile b/com32/cmenu/Makefile
+index b81b68ed..2ae989c4 100644
+--- a/com32/cmenu/Makefile
++++ b/com32/cmenu/Makefile
+@@ -49,7 +49,7 @@ makeoutputdirs:
+ 	@mkdir -p $(OBJ)/libmenu
+ 
+ libmenu/libmenu.elf: $(LIBMENU)
+-	$(LD) -shared $(LDFLAGS) -soname $(patsubst %.elf,%.c32,$(@F)) \
++	$(LD) -shared $(LDFLAGS) -z muldefs -soname $(patsubst %.elf,%.c32,$(@F)) \
+ 		-o $@ $^
+ 
+ tidy dist:
+diff --git a/com32/elflink/ldlinux/Makefile b/com32/elflink/ldlinux/Makefile
+index 87c0d362..2be2a01a 100644
+--- a/com32/elflink/ldlinux/Makefile
++++ b/com32/elflink/ldlinux/Makefile
+@@ -33,7 +33,7 @@ endif
+ all: $(BTARGET) ldlinux_lnx.a
+ 
+ ldlinux.elf : $(OBJS)
+-	$(LD) $(LDFLAGS) -soname $(SONAME) -o $@ $^ $(LIBS)
++	$(LD) $(LDFLAGS) -z muldefs -soname $(SONAME) -o $@ $^ $(LIBS)
+ 
+ LNXCFLAGS += -D__export='__attribute__((visibility("default")))'
+ LNXLIBOBJS = get_key.lo
+diff --git a/com32/gpllib/Makefile b/com32/gpllib/Makefile
+index 1fec9145..2d764d0b 100644
+--- a/com32/gpllib/Makefile
++++ b/com32/gpllib/Makefile
+@@ -24,7 +24,7 @@ makeoutputdirs:
+ 		$(addprefix $(OBJ),$(sort $(dir $(LIBOBJS)))),$(b))
+ 
+ libgpl.elf : $(LIBOBJS)
+-	$(LD) -shared $(LDFLAGS) -soname $(patsubst %.elf,%.c32,$(@F)) -o $@ $^
++	$(LD) -shared $(LDFLAGS) -z muldefs -soname $(patsubst %.elf,%.c32,$(@F)) -o $@ $^
+ 
+ tidy dist clean:
+ 	find . \( -name \*.o -o -name .\*.d -o -name \*.tmp \) -print0 | \
+diff --git a/com32/hdt/Makefile b/com32/hdt/Makefile
+index 61736d05..1d947857 100644
+--- a/com32/hdt/Makefile
++++ b/com32/hdt/Makefile
+@@ -52,7 +52,7 @@ QEMU			?= qemu-kvm
+ all: $(MODULES) $(TESTFILES)
+ 
+ hdt.elf : $(OBJS) $(LIBS) $(C_LIBS)
+-	$(LD) $(LDFLAGS) -o $@ $^
++	$(LD) $(LDFLAGS) -z muldefs -o $@ $^
+ 
+ memtest:
+ 	-[ ! -f $(FLOPPY_DIR)/$(MEMTEST) ] && $(WGET) $(MEMTEST_URL) -O $(FLOPPY_DIR)/$(MEMTEST)
+diff --git a/core/Makefile b/core/Makefile
+index 46cb037c..f0cfcbe9 100644
+--- a/core/Makefile
++++ b/core/Makefile
+@@ -156,7 +156,7 @@ LDSCRIPT = $(SRC)/$(ARCH)/syslinux.ld
+ NASM_ELF = elf
+ 
+ %.elf: %.o $(LIBDEP) $(LDSCRIPT) $(AUXLIBS)
+-	$(LD) $(LDFLAGS) -pie -Bsymbolic \
++	$(LD) $(LDFLAGS) -z muldefs -pie -Bsymbolic \
+ 		-T $(LDSCRIPT) \
+ 		--unresolved-symbols=report-all \
+ 		-E --hash-style=gnu -M -o $@ $< \
+diff --git a/dos/Makefile b/dos/Makefile
+index 4c930d19..5d1c72ca 100644
+--- a/dos/Makefile
++++ b/dos/Makefile
+@@ -19,7 +19,7 @@ include $(MAKEDIR)/embedded.mk
+ CFLAGS	+= -D__MSDOS__ -mregparm=3 -DREGPARM=3
+ # CFLAGS  += -DDEBUG
+ 
+-LDFLAGS	 = -T $(SRC)/dosexe.ld
++LDFLAGS	 = -T $(SRC)/dosexe.ld -z muldefs
+ OPTFLAGS = -g
+ INCLUDES = -include code16.h -nostdinc -iwithprefix include \
+ 	   -I$(SRC) -I$(SRC)/.. -I$(SRC)/../libfat \
+diff --git a/efi/Makefile b/efi/Makefile
+index bbf23f24..3dd922d5 100644
+--- a/efi/Makefile
++++ b/efi/Makefile
+@@ -69,7 +69,7 @@ $(OBJS): | $(OBJ)/$(ARCH)
+ BTARGET  = syslinux.efi
+ 
+ syslinux.so: $(OBJS) $(CORE_OBJS) $(LIB_OBJS)
+-	$(LD) $(LDFLAGS) --strip-debug -o $@ $^ -lgnuefi -lefi
++	$(LD) $(LDFLAGS) -z muldefs --strip-debug -o $@ $^ -lgnuefi -lefi
+ 
+ # We need to rename the .hash section because the EFI firmware
+ # linker really doesn't like it.
+-- 
+2.25.1
+