2 # ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
3 # -------------------------------------------------------
4 # Tests whether HEADER exists and can be compiled using the include files in
5 # INCLUDES, setting the cache variable VAR accordingly.
6 ac_fn_c_check_header_compile ()
8 as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
9 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
10 $as_echo_n "checking for $2... " >&6; }
11 if eval \${$3+:} false; then :
12 $as_echo_n "(cached) " >&6
14 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
19 if ac_fn_c_try_compile "$LINENO"; then :
24 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
27 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
28 $as_echo "$ac_res" >&6; }
29 eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
31 } # ac_fn_c_check_header_compile
32 # This file is generated from configure.ac by Autoconf. DO NOT EDIT!
33 # Local configure fragment for sysdeps/x86_64.
36 ac_fn_c_check_header_compile "$LINENO" "cpuid.h" "ac_cv_header_cpuid_h" "/* No default includes. */
38 if test "x$ac_cv_header_cpuid_h" = xyes; then :
41 as_fn_error $? "gcc must provide the <cpuid.h> header" "$LINENO" 5
46 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5
47 $as_echo_n "checking for AVX support... " >&6; }
48 if ${libc_cv_cc_avx+:} false; then :
49 $as_echo_n "(cached) " >&6
51 if { ac_try='${CC-cc} -mavx -xc /dev/null -S -o /dev/null'
52 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
55 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
56 test $ac_status = 0; }; }; then :
63 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx" >&5
64 $as_echo "$libc_cv_cc_avx" >&6; }
65 if test $libc_cv_cc_avx = yes; then
66 $as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h
69 config_vars="$config_vars
70 config-cflags-avx = $libc_cv_cc_avx"
72 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512 support in assembler" >&5
73 $as_echo_n "checking for AVX512 support in assembler... " >&6; }
74 if ${libc_cv_asm_avx512+:} false; then :
75 $as_echo_n "(cached) " >&6
77 cat > conftest.s <<\EOF
78 vmovdqu64 %zmm0, (%rsp)
79 vandpd (%rax), %zmm6, %zmm1
81 if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
82 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
85 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
86 test $ac_status = 0; }; }; then
87 libc_cv_asm_avx512=yes
93 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_avx512" >&5
94 $as_echo "$libc_cv_asm_avx512" >&6; }
95 if test $libc_cv_asm_avx512 == yes; then
96 $as_echo "#define HAVE_AVX512_ASM_SUPPORT 1" >>confdefs.h
100 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512 support" >&5
101 $as_echo_n "checking for AVX512 support... " >&6; }
102 if ${libc_cv_cc_avx512+:} false; then :
103 $as_echo_n "(cached) " >&6
105 if { ac_try='${CC-cc} -mavx512f -xc /dev/null -S -o /dev/null'
106 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
109 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
110 test $ac_status = 0; }; }; then :
111 libc_cv_cc_avx512=$libc_cv_asm_avx512
117 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx512" >&5
118 $as_echo "$libc_cv_cc_avx512" >&6; }
119 if test $libc_cv_cc_avx512 = yes; then
120 $as_echo "#define HAVE_AVX512_SUPPORT 1" >>confdefs.h
123 config_vars="$config_vars
124 config-cflags-avx512 = $libc_cv_cc_avx512"
126 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5
127 $as_echo_n "checking for AVX encoding of SSE instructions... " >&6; }
128 if ${libc_cv_cc_sse2avx+:} false; then :
129 $as_echo_n "(cached) " >&6
131 if { ac_try='${CC-cc} -msse2avx -xc /dev/null -S -o /dev/null'
132 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
135 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
136 test $ac_status = 0; }; }; then :
137 libc_cv_cc_sse2avx=yes
139 libc_cv_cc_sse2avx=no
143 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5
144 $as_echo "$libc_cv_cc_sse2avx" >&6; }
145 if test $libc_cv_cc_sse2avx = yes; then
146 $as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h
149 config_vars="$config_vars
150 config-cflags-sse2avx = $libc_cv_cc_sse2avx"
152 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
153 $as_echo_n "checking for FMA4 support... " >&6; }
154 if ${libc_cv_cc_fma4+:} false; then :
155 $as_echo_n "(cached) " >&6
157 if { ac_try='${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null'
158 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
161 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
162 test $ac_status = 0; }; }; then :
169 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_fma4" >&5
170 $as_echo "$libc_cv_cc_fma4" >&6; }
171 if test $libc_cv_cc_fma4 = yes; then
172 $as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h
175 config_vars="$config_vars
176 have-mfma4 = $libc_cv_cc_fma4"
178 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
179 $as_echo_n "checking for -mno-vzeroupper support... " >&6; }
180 if ${libc_cv_cc_novzeroupper+:} false; then :
181 $as_echo_n "(cached) " >&6
183 if { ac_try='${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null'
184 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
187 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
188 test $ac_status = 0; }; }; then :
189 libc_cv_cc_novzeroupper=yes
191 libc_cv_cc_novzeroupper=no
195 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
196 $as_echo "$libc_cv_cc_novzeroupper" >&6; }
197 config_vars="$config_vars
198 config-cflags-novzeroupper = $libc_cv_cc_novzeroupper"
200 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Intel MPX support" >&5
201 $as_echo_n "checking for Intel MPX support... " >&6; }
202 if ${libc_cv_asm_mpx+:} false; then :
203 $as_echo_n "(cached) " >&6
205 cat > conftest.s <<\EOF
208 if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
209 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
212 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
213 test $ac_status = 0; }; }; then
220 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_mpx" >&5
221 $as_echo "$libc_cv_asm_mpx" >&6; }
222 if test $libc_cv_asm_mpx == yes; then
223 $as_echo "#define HAVE_MPX_SUPPORT 1" >>confdefs.h
227 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX2 support" >&5
228 $as_echo_n "checking for AVX2 support... " >&6; }
229 if ${libc_cv_cc_avx2+:} false; then :
230 $as_echo_n "(cached) " >&6
232 if { ac_try='${CC-cc} -mavx2 -xc /dev/null -S -o /dev/null'
233 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
236 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
237 test $ac_status = 0; }; }; then :
244 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx2" >&5
245 $as_echo "$libc_cv_cc_avx2" >&6; }
246 if test $libc_cv_cc_avx2 = yes; then
247 $as_echo "#define HAVE_AVX2_SUPPORT 1" >>confdefs.h
250 config_vars="$config_vars
251 config-cflags-avx2 = $libc_cv_cc_avx2"
253 if test x"$build_mathvec" = xnotset; then
257 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
259 # work around problem with autoconf and empty lines at the end of files