File 0020-Link-all-binaries-as-Position-Independent-Executable.patch of Package syslinux
From e3731182bee21727a63d4605e19afb6a9e74e1a0 Mon Sep 17 00:00:00 2001 From: Wolfgang Frisch <wolfgang.frisch@suse.com> Date: Wed, 9 Jun 2021 10:45:24 +0000 Subject: [PATCH 20/22] Link all binaries as Position Independent Executables (bsc#1184124) --- extlinux/Makefile | 4 ++-- linux/Makefile | 3 ++- mk/build-host.mk | 4 ++-- mk/elf.mk | 2 +- mtools/Makefile | 4 ++-- utils/Makefile | 4 ++-- 6 files changed, 11 insertions(+), 10 deletions(-) diff --git a/extlinux/Makefile b/extlinux/Makefile index 1721ee54..623fb899 100644 --- a/extlinux/Makefile +++ b/extlinux/Makefile @@ -19,8 +19,8 @@ include $(MAKEDIR)/syslinux.mk OPTFLAGS = -g -Os INCLUDES = -I$(SRC) -I$(objdir) -I$(SRC)/../libinstaller CFLAGS = $(GCCWARN) -Wno-sign-compare -D_FILE_OFFSET_BITS=64 \ - $(OPTFLAGS) $(INCLUDES) -LDFLAGS = + -fPIC $(OPTFLAGS) $(INCLUDES) +LDFLAGS = -pie SRCS = main.c \ mountinfo.c \ diff --git a/linux/Makefile b/linux/Makefile index 5a49d813..571b014a 100644 --- a/linux/Makefile +++ b/linux/Makefile @@ -19,7 +19,8 @@ include $(MAKEDIR)/syslinux.mk OPTFLAGS = -g -Os INCLUDES = -I$(SRC) -I$(objdir) -I$(SRC)/../libinstaller CFLAGS = $(GCCWARN) -D_FILE_OFFSET_BITS=64 $(OPTFLAGS) $(INCLUDES) -LDFLAGS = +CFLAGS += -fPIC +LDFLAGS = -pie SRCS = syslinux.c \ ../libinstaller/syslxopt.c \ diff --git a/mk/build-host.mk b/mk/build-host.mk index dab5de60..e88b8337 100644 --- a/mk/build-host.mk +++ b/mk/build-host.mk @@ -21,8 +21,8 @@ CC_FOR_BUILD ?= $(CC) OPTFLAGS = -g -Os INCLUDES = CFLAGS = $(WARNFLAGS) -D_FILE_OFFSET_BITS=64 \ - $(OPTFLAGS) $(INCLUDES) -LDFLAGS = + -fPIC $(OPTFLAGS) $(INCLUDES) +LDFLAGS = -pie LIBS = .SUFFIXES: .c .o .S .s .i .elf .com .bin .asm .lst .c32 .lss diff --git a/mk/elf.mk b/mk/elf.mk index a3037fb6..f5bfb7e9 100644 --- a/mk/elf.mk +++ b/mk/elf.mk @@ -73,7 +73,7 @@ LIBGCC := $(shell $(CC) $(GCCOPT) --print-libgcc) CC_FOR_BUILD ?= $(CC) -LNXCFLAGS = -I$(com32)/libutil/include -W -Wall -O -g -D_GNU_SOURCE +LNXCFLAGS = -I$(com32)/libutil/include -W -Wall -fPIC -O -g -D_GNU_SOURCE LNXSFLAGS = -g LNXLDFLAGS = -g diff --git a/mtools/Makefile b/mtools/Makefile index ef1702b1..08d9b10a 100755 --- a/mtools/Makefile +++ b/mtools/Makefile @@ -3,8 +3,8 @@ include $(MAKEDIR)/build-host.mk OPTFLAGS = -g -Os INCLUDES = -I$(SRC) -I$(objdir) -I$(SRC)/../libfat -I$(SRC)/../libinstaller -CFLAGS = $(GCCWARN) -D_FILE_OFFSET_BITS=64 $(OPTFLAGS) $(INCLUDES) -LDFLAGS = +CFLAGS = $(GCCWARN) -D_FILE_OFFSET_BITS=64 -fPIC $(OPTFLAGS) $(INCLUDES) +LDFLAGS = -pie SRCS = syslinux.c \ ../libinstaller/fs.c \ diff --git a/utils/Makefile b/utils/Makefile index c57e67de..91298302 100644 --- a/utils/Makefile +++ b/utils/Makefile @@ -19,8 +19,8 @@ include $(MAKEDIR)/syslinux.mk CC_FOR_BUILD ?= $(CC) -CFLAGS = $(CFLAGS_FOR_BUILD) $(GCCWARN) -Os -fomit-frame-pointer -D_FILE_OFFSET_BITS=64 -I$(SRC) -LDFLAGS = $(LDFLAGS_FOR_BUILD) -O2 -g +CFLAGS = $(CFLAGS_FOR_BUILD) $(GCCWARN) -Os -fomit-frame-pointer -D_FILE_OFFSET_BITS=64 -fPIC -I$(SRC) +LDFLAGS = $(LDFLAGS_FOR_BUILD) -O2 -g -pie C_TARGETS = isohybrid gethostip memdiskfind SCRIPT_TARGETS = mkdiskimage -- 2.42.0
