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build: Remove autoconf check for signbit 

rebase failure in 7da12426f7.
This commit is contained in:
Matt Turner 2012-10-02 22:50:02 -07:00
parent fe3aeb7ea3
commit 159ca32fec
1 changed files with 0 additions and 7 deletions
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7
configure.ac
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@ -500,13 +500,6 @@ AC_SUBST([DLOPEN_LIBS])
dnl See if posix_memalign is available
AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
dnl signbit() is a macro in glibc's math.h, so AC_CHECK_FUNC fails. To handle
dnl this, use AC_CHECK_DECLS and fallback to AC_CHECK_FUNC in case it fails.
AC_CHECK_DECLS([signbit],[],
AC_CHECK_FUNC([signbit],[],
AC_MSG_ERROR([could not find signbit()])),
[#include <math.h>])
dnl Check for pthreads
AX_PTHREAD
dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS