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e757412c3e
We are strictly requiring GAS >= 2.41 now, so we don't need to check assembler capability anymore. Signed-off-by: Xi Ruoyao <xry111@xry111.site>
113 lines
3.8 KiB
Plaintext
113 lines
3.8 KiB
Plaintext
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/loongarch/elf.
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printf "%s\n" "#define HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 1" >>confdefs.h
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if ${CC-cc} is sufficient to build static PIE on LoongArch" >&5
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printf %s "checking if ${CC-cc} is sufficient to build static PIE on LoongArch... " >&6; }
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if test ${libc_cv_static_pie_on_loongarch+y}
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then :
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printf %s "(cached) " >&6
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else $as_nop
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cat > conftest.S <<\EOF
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.global _start
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.type _start, @function
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_start:
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li.w $a7, 93
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li.w $a0, 0
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syscall 0
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.data
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x:
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.word 0
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/* This should produce an R_LARCH_RELATIVE in the static PIE. */
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.dword _start
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EOF
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libc_cv_static_pie_on_loongarch=no
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static-pie -nostdlib -fPIE -o conftest conftest.S'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; } \
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&& { ac_try='LC_ALL=C $READELF -Wr conftest | grep -q R_LARCH_RELATIVE'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; } \
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&& ! { ac_try='LC_ALL=C $READELF -Wl conftest | grep -q INTERP'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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then
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libc_cv_static_pie_on_loongarch=yes
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fi
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rm -rf conftest*
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie_on_loongarch" >&5
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printf "%s\n" "$libc_cv_static_pie_on_loongarch" >&6; }
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if test "$libc_cv_static_pie_on_loongarch" = yes; then
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printf "%s\n" "#define SUPPORT_STATIC_PIE 1" >>confdefs.h
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fi
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# Check if gcc supports option -mcmodel=medium.
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports option -mcmodel=medium" >&5
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printf %s "checking whether $CC supports option -mcmodel=medium... " >&6; }
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if test ${libc_cv_loongarch_cmodel_medium+y}
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then :
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printf %s "(cached) " >&6
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else $as_nop
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if { ac_try='${CC-cc} -c $CFLAGS -mcmodel=medium /dev/null 1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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libc_cv_loongarch_cmodel_medium=yes
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else
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libc_cv_loongarch_cmodel_medium=no
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fi
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_loongarch_cmodel_medium" >&5
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printf "%s\n" "$libc_cv_loongarch_cmodel_medium" >&6; }
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config_vars="$config_vars
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have-cmodel-medium = $libc_cv_loongarch_cmodel_medium"
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# Check if asm support vector instructions.
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for vector support in assembler" >&5
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printf %s "checking for vector support in assembler... " >&6; }
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if test ${libc_cv_loongarch_vec_asm+y}
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then :
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printf %s "(cached) " >&6
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else $as_nop
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cat > conftest.s <<\EOF
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vld $vr0, $sp, 0
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EOF
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if { ac_try='${CC-cc} -c $CFLAGS conftest.s -o conftest 1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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libc_cv_loongarch_vec_asm=yes
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else
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libc_cv_loongarch_vec_asm=no
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fi
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rm -f conftest*
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_loongarch_vec_asm" >&5
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printf "%s\n" "$libc_cv_loongarch_vec_asm" >&6; }
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if test $libc_cv_loongarch_vec_asm = no; then
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as_fn_error $? "binutils version is too old, use 2.41 or newer version" "$LINENO" 5
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fi
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