Blame sysdeps/unix/sysv/linux/i386/configure.ac
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/unix/sysv/linux/i386.
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# Check if CFLAGS allows compiler to use ebp register in inline assembly.
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AC_CACHE_CHECK([if compiler flags allows ebp in inline assembly],
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libc_cv_can_use_register_asm_ebp, [
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([
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void foo (int i)
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{
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register int reg asm ("ebp") = i;
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asm ("# %0" : : "r" (reg));
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}])],
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[libc_cv_can_use_register_asm_ebp=yes],
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[libc_cv_can_use_register_asm_ebp=no])
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])
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if test $libc_cv_can_use_register_asm_ebp = yes; then
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AC_DEFINE(CAN_USE_REGISTER_ASM_EBP)
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fi
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libc_cv_gcc_unwind_find_fde=yes
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ldd_rewrite_script=sysdeps/unix/sysv/linux/ldd-rewrite.sed
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