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FS-8736 #resolve [Missing MEMMOVE macro in spandsp autoconf]

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This commit is contained in:
Anthony Minessale 2016-01-15 13:14:07 -06:00
parent 30fa89e008
commit 10df600393
2 changed files with 29 additions and 0 deletions
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2
libs/spandsp/configure.ac
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@ -37,6 +37,7 @@ m4_include(m4/ax_c99_features.m4)
m4_include(m4/ax_check_export_capability.m4) m4_include(m4/ax_check_export_capability.m4)
m4_include(m4/ax_check_arm_neon.m4) m4_include(m4/ax_check_arm_neon.m4)
m4_include(m4/ax_func_aligned_alloc.m4) m4_include(m4/ax_func_aligned_alloc.m4)
m4_include(m4/memmove.m4)
AC_CONFIG_SRCDIR([src/tone_generate.c]) AC_CONFIG_SRCDIR([src/tone_generate.c])
AC_CONFIG_AUX_DIR([config]) AC_CONFIG_AUX_DIR([config])
@ -152,6 +153,7 @@ AC_FUNC_ERROR_AT_LINE
AC_FUNC_VPRINTF AC_FUNC_VPRINTF
AC_FUNC_MEMCMP AC_FUNC_MEMCMP
AC_FUNC_MEMMOVE AC_FUNC_MEMMOVE
if test "${ax_cv_c_compiler_vendor}" = "gnu" if test "${ax_cv_c_compiler_vendor}" = "gnu"
then then
AC_FUNC_REALLOC AC_FUNC_REALLOC

27
libs/spandsp/m4/memmove.m4 Normal file
View File

@ -0,0 +1,27 @@
AC_DEFUN([AC_FUNC_MEMMOVE],
[AC_CHECK_FUNCS(memmove)
AC_MSG_CHECKING(for working memmove)
AC_CACHE_VAL(ac_cv_have_working_memmove,
[AC_TRY_RUN(
[#include <stdio.h>
int main(void)
{
char buf[10];
strcpy (buf, "01234567");
memmove (buf, buf + 2, 3);
if (strcmp (buf, "23434567"))
exit (1);
strcpy (buf, "01234567");
memmove (buf + 2, buf, 3);
if (strcmp (buf, "01012567"))
exit (1);
exit (0);
}], ac_cv_have_working_memmove=yes, ac_cv_have_working_memmove=no, ac_cv_have_working_memmove=cross)])
AC_MSG_RESULT([$ac_cv_have_working_memmove])
if test x$ac_cv_have_working_memmove != "xyes"; then
AC_LIBOBJ(memmove)
AC_MSG_WARN([Replacing missing/broken memmove.])
AC_DEFINE(PREFER_PORTABLE_MEMMOVE, 1, "enable replacement memmove if system memmove is broken or missing")
fi])