1 # This file is generated from configure.ac by Autoconf. DO NOT EDIT!
2 # Local configure fragment for sysdeps/x86_64.
4 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking -mprefer-vector-width=128" >&5
5 printf %s "checking -mprefer-vector-width=128... " >&6; }
6 if test ${libc_cv_cc_mprefer_vector_width+y}
8 printf %s "(cached) " >&6
10 if { ac_try='${CC-cc} -mprefer-vector-width=128 -xc /dev/null -S -o /dev/null'
11 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
14 printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
15 test $ac_status = 0; }; }
17 libc_cv_cc_mprefer_vector_width=yes
19 libc_cv_cc_mprefer_vector_width=no
23 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_mprefer_vector_width" >&5
24 printf "%s\n" "$libc_cv_cc_mprefer_vector_width" >&6; }
25 config_vars="$config_vars
26 config-cflags-mprefer-vector-width = $libc_cv_cc_mprefer_vector_width"
28 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z mark-plt" >&5
29 printf %s "checking for linker that supports -z mark-plt... " >&6; }
30 libc_linker_feature=no
31 cat > conftest.c <<EOF
32 int _start (void) { return 42; }
34 if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
35 -Wl,-z,mark-plt -nostdlib -nostartfiles
36 -fPIC -shared -o conftest.so conftest.c
38 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
41 printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
42 test $ac_status = 0; }; }
44 if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,mark-plt -nostdlib \
45 -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
46 | grep "warning: -z mark-plt ignored" > /dev/null 2>&1; then
49 libc_linker_feature=yes
53 if test $libc_linker_feature = yes; then
54 libc_cv_z_mark_plt=yes
58 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
59 printf "%s\n" "$libc_linker_feature" >&6; }
60 config_vars="$config_vars
61 have-z-mark-plt = $libc_cv_z_mark_plt"
63 if test x"$build_mathvec" = xnotset; then
67 if test $enable_cet != no; then
68 # Check if CET can be enabled.
69 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CET can be enabled" >&5
70 printf %s "checking whether CET can be enabled... " >&6; }
71 if test ${libc_cv_x86_cet_available+y}
73 printf %s "(cached) " >&6
75 cat > conftest.c <<EOF
76 #if !defined __CET__ || __CET__ != 3
77 # error CET isn't available.
80 if { ac_try='${CC-cc} -c $CFLAGS -fcf-protection -include cet.h conftest.c 1>&5'
81 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
84 printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
85 test $ac_status = 0; }; }; then
86 libc_cv_x86_cet_available=yes
88 libc_cv_x86_cet_available=no
92 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_available" >&5
93 printf "%s\n" "$libc_cv_x86_cet_available" >&6; }
94 if test $libc_cv_x86_cet_available != yes; then
95 as_fn_error $? "$CC doesn't support CET" "$LINENO" 5
98 if test $enable_cet != no; then
99 # Check if assembler supports CET.
100 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether assembler supports CET" >&5
101 printf %s "checking whether assembler supports CET... " >&6; }
102 if test ${libc_cv_x86_cet_as+y}
104 printf %s "(cached) " >&6
106 cat > conftest.s <<EOF
109 if { ac_try='${CC-cc} -c $CFLAGS conftest.s -o conftest.o 1>&5'
110 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
113 printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
114 test $ac_status = 0; }; }; then
115 libc_cv_x86_cet_as=yes
117 libc_cv_x86_cet_as=no
121 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_as" >&5
122 printf "%s\n" "$libc_cv_x86_cet_as" >&6; }
123 if test $libc_cv_x86_cet_as = no; then
124 as_fn_error $? "$AS doesn't support CET" "$LINENO" 5
127 if test $enable_cet = yes; then
128 printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property" >>confdefs.h
130 elif test $enable_cet = permissive; then
131 printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_permissive" >>confdefs.h
134 config_vars="$config_vars
135 enable-cet = $enable_cet"
137 test -n "$critic_missing" && as_fn_error $? "
138 *** $critic_missing" "$LINENO" 5