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* acinclude.m4 (grub_ASM_USCORE): Use a more accurate grep pattern,

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to avoid false positives with some assemblers that output things
like "someprefix_func" as part of their output.
This commit is contained in:
Colin Watson 2010-08-18 11:08:00 +01:00
parent 729a0f2e0c
commit 9da94e0576
2 changed files with 8 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2010-08-18 Colin Watson <cjwatson@ubuntu.com>
* acinclude.m4 (grub_ASM_USCORE): Use a more accurate grep pattern,
to avoid false positives with some assemblers that output things
like "someprefix_func" as part of their output.
2010-08-15 Robert Millan <rmh@gnu.org>
* kern/emu/misc.c (grub_get_libzfs_handle): Handle libzfs_init()

3
acinclude.m4
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@ -38,6 +38,7 @@ dnl Written by Pavel Roskin. Based on grub_ASM_EXT_C written by
dnl Erich Boleyn and modified by Yoshinori K. Okuji.
AC_DEFUN([grub_ASM_USCORE],
[AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_EGREP])
AC_MSG_CHECKING([if C symbols get an underscore after compilation])
AC_CACHE_VAL(grub_cv_asm_uscore,
[cat > conftest.c <<\EOF
@ -56,7 +57,7 @@ else
AC_MSG_ERROR([${CC-cc} failed to produce assembly code])
fi
if grep _func conftest.s >/dev/null 2>&1; then
if $EGREP '(^|[^_[:alnum]])_func' conftest.s >/dev/null 2>&1; then
grub_cv_asm_uscore=yes
else
grub_cv_asm_uscore=no