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configure, meson: move linker flag detection to meson

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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-03-15 15:57:15 +01:00
parent b485458e00
commit e4333d14c5
2 changed files with 13 additions and 16 deletions
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16
configure vendored
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@ -1342,12 +1342,10 @@ EOF
if test "$static" = "yes"; then
if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
pie="yes"
elif test "$pie" = "yes"; then
error_exit "-static-pie not available due to missing toolchain support"
else
QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
pie="no"
fi
elif test "$pie" = "no"; then
@ -1369,12 +1367,6 @@ else
pie="no"
fi
# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
# The combination is known as "full relro", because .got.plt is read-only too.
if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
fi
##########################################
# __sync_fetch_and_and requires at least -march=i486. Many toolchains
# use i686 as default anyway, but for those that don't, an explicit
@ -2242,14 +2234,6 @@ if test "$have_ubsan" = "yes"; then
fi
##########################################
# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
if test "$solaris" = "no" && test "$tsan" = "no"; then
if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
fi
fi
# Guest agent Windows MSI package
if test "$QEMU_GA_MANUFACTURER" = ""; then

13
meson.build
View File

@ -183,6 +183,14 @@ qemu_cflags = config_host['QEMU_CFLAGS'].split()
qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
if enable_static
qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
endif
# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
# The combination is known as "full relro", because .got.plt is read-only too.
qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
if targetos == 'windows'
qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
# Disable ASLR for debug builds to allow debugging with gdb
@ -265,6 +273,11 @@ if add_languages('cpp', required: false, native: false)
endif
endif
# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
endif
add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
if targetos == 'linux'