Commit 60bf5006 authored by Niels Möller's avatar Niels Möller

(ASM_SYMBOL_PREFIX): Check if global symbols have a

leading underscore.

Rev: src/nettle/configure.ac:1.52
parent 08b8b61c
......@@ -168,7 +168,30 @@ else
fi
AC_SUBST([CCPIC_MAYBE])
LSH_MAKE_CONDITIONAL([ENABLE_ASM], [test x$enable_assembler = xyes])
ASM_SYMBOL_PREFIX=''
if test x$enable_assembler = xyes ; then
AC_CACHE_CHECK([if globals are prefixed by underscore],
nettle_cv_asm_underscore,
[ # Default is no underscore
nettle_cv_asm_underscore=no
AC_COMPILE_IFELSE(
[int a_global_symbol;],
[ nm conftest.$OBJEXT >conftest.out
if grep _a_global_symbol conftest.out >/dev/null ; then
nettle_cv_asm_underscore=yes
elif grep a_global_symbol conftest.out >/dev/null ; then
nettle_cv_asm_underscore=no
else
AC_MSG_WARN([nm doesn't list a_global_symbol at all])
fi],
[AC_MSG_WARN([test program with a single global could not be compiled!?])])])
if x$nettle_cv_asm_underscore=xyes ; then
ASM_SYMBOL_PREFIX='_'
fi
fi
AC_SUBST(ASM_SYMBOL_PREFIX)
AC_SUBST(SHLIBCFLAGS)
AC_SUBST(SHLIBMAJOR)
......
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