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 SSE4 support" >&5
47 $as_echo_n "checking for SSE4 support... " >&6; }
48 if ${libc_cv_cc_sse4+:} false; then :
49 $as_echo_n "(cached) " >&6
51 if { ac_try='${CC-cc} -msse4 -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_sse4" >&5
64 $as_echo "$libc_cv_cc_sse4" >&6; }
65 if test $libc_cv_cc_sse4 = yes; then
66 $as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h
69 config_vars="$config_vars
70 config-cflags-sse4 = $libc_cv_cc_sse4"
72 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5
73 $as_echo_n "checking for AVX support... " >&6; }
74 if ${libc_cv_cc_avx+:} false; then :
75 $as_echo_n "(cached) " >&6
77 if { ac_try='${CC-cc} -mavx -xc /dev/null -S -o /dev/null'
78 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
81 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
82 test $ac_status = 0; }; }; then :
89 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx" >&5
90 $as_echo "$libc_cv_cc_avx" >&6; }
91 if test $libc_cv_cc_avx = yes; then
92 $as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h
95 config_vars="$config_vars
96 config-cflags-avx = $libc_cv_cc_avx"
98 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512 support in assembler" >&5
99 $as_echo_n "checking for AVX512 support in assembler... " >&6; }
100 if ${libc_cv_asm_avx512+:} false; then :
101 $as_echo_n "(cached) " >&6
103 cat > conftest.s <<\EOF
104 vmovdqu64 %zmm0, (%rsp)
105 vandpd (%rax), %zmm6, %zmm1
107 if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
108 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
111 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
112 test $ac_status = 0; }; }; then
113 libc_cv_asm_avx512=yes
115 libc_cv_asm_avx512=no
119 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_avx512" >&5
120 $as_echo "$libc_cv_asm_avx512" >&6; }
121 if test $libc_cv_asm_avx512 == yes; then
122 $as_echo "#define HAVE_AVX512_ASM_SUPPORT 1" >>confdefs.h
126 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512 support" >&5
127 $as_echo_n "checking for AVX512 support... " >&6; }
128 if ${libc_cv_cc_avx512+:} false; then :
129 $as_echo_n "(cached) " >&6
131 if { ac_try='${CC-cc} -mavx512f -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 $ac_status = 0; }; }; then :
137 libc_cv_cc_avx512=$libc_cv_asm_avx512
143 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx512" >&5
144 $as_echo "$libc_cv_cc_avx512" >&6; }
145 if test $libc_cv_cc_avx512 = yes; then
146 $as_echo "#define HAVE_AVX512_SUPPORT 1" >>confdefs.h
149 config_vars="$config_vars
150 config-cflags-avx512 = $libc_cv_cc_avx512"
152 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5
153 $as_echo_n "checking for AVX encoding of SSE instructions... " >&6; }
154 if ${libc_cv_cc_sse2avx+:} false; then :
155 $as_echo_n "(cached) " >&6
157 if { ac_try='${CC-cc} -msse2avx -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 :
163 libc_cv_cc_sse2avx=yes
165 libc_cv_cc_sse2avx=no
169 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5
170 $as_echo "$libc_cv_cc_sse2avx" >&6; }
171 if test $libc_cv_cc_sse2avx = yes; then
172 $as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h
175 config_vars="$config_vars
176 config-cflags-sse2avx = $libc_cv_cc_sse2avx"
178 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
179 $as_echo_n "checking for FMA4 support... " >&6; }
180 if ${libc_cv_cc_fma4+:} false; then :
181 $as_echo_n "(cached) " >&6
183 if { ac_try='${CC-cc} -mfma4 -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 :
195 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_fma4" >&5
196 $as_echo "$libc_cv_cc_fma4" >&6; }
197 if test $libc_cv_cc_fma4 = yes; then
198 $as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h
201 config_vars="$config_vars
202 have-mfma4 = $libc_cv_cc_fma4"
204 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
205 $as_echo_n "checking for -mno-vzeroupper support... " >&6; }
206 if ${libc_cv_cc_novzeroupper+:} false; then :
207 $as_echo_n "(cached) " >&6
209 if { ac_try='${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null'
210 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
213 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
214 test $ac_status = 0; }; }; then :
215 libc_cv_cc_novzeroupper=yes
217 libc_cv_cc_novzeroupper=no
221 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
222 $as_echo "$libc_cv_cc_novzeroupper" >&6; }
223 config_vars="$config_vars
224 config-cflags-novzeroupper = $libc_cv_cc_novzeroupper"
226 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Intel MPX support" >&5
227 $as_echo_n "checking for Intel MPX support... " >&6; }
228 if ${libc_cv_asm_mpx+:} false; then :
229 $as_echo_n "(cached) " >&6
231 cat > conftest.s <<\EOF
234 if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
235 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
238 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
239 test $ac_status = 0; }; }; then
246 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_mpx" >&5
247 $as_echo "$libc_cv_asm_mpx" >&6; }
248 if test $libc_cv_asm_mpx == yes; then
249 $as_echo "#define HAVE_MPX_SUPPORT 1" >>confdefs.h
253 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX2 support" >&5
254 $as_echo_n "checking for AVX2 support... " >&6; }
255 if ${libc_cv_cc_avx2+:} false; then :
256 $as_echo_n "(cached) " >&6
258 if { ac_try='${CC-cc} -mavx2 -xc /dev/null -S -o /dev/null'
259 { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
262 $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
263 test $ac_status = 0; }; }; then :
270 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx2" >&5
271 $as_echo "$libc_cv_cc_avx2" >&6; }
272 if test $libc_cv_cc_avx2 = yes; then
273 $as_echo "#define HAVE_AVX2_SUPPORT 1" >>confdefs.h
276 config_vars="$config_vars
277 config-cflags-avx2 = $libc_cv_cc_avx2"
279 if test x"$build_mathvec" = xnotset; then
283 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
285 # work around problem with autoconf and empty lines at the end of files