Remove round polyfill
Added in 01dff1e and 19256bef, this was targeted at older
msvc versions that don't support C99 but now as we require
C++11 we don't target places those envs thus removing this.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4ffabad..cbff81e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,7 +108,7 @@
if (UNIX)
list(APPEND CMAKE_REQUIRED_LIBRARIES m)
endif ()
-check_funcs(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l round)
+check_funcs(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l)
check_include_file(unistd.h HAVE_UNISTD_H)
if (${HAVE_UNISTD_H})
add_definitions(-DHAVE_UNISTD_H)
diff --git a/configure.ac b/configure.ac
index 6a68df7..d48823d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -78,12 +78,6 @@
# Functions and headers
AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l posix_memalign)
-
-save_libs="$LIBS"
-LIBS="$LIBS -lm"
-AC_CHECK_FUNCS([round], ,[AC_CHECK_DECLS([round], , ,[#include <math.h>])])
-LIBS="$save_libs"
-
AC_CHECK_HEADERS(unistd.h sys/mman.h xlocale.h stdbool.h)
# Compiler flags
diff --git a/src/hb.hh b/src/hb.hh
index 33ad323..0ee8ff5 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -515,20 +515,6 @@
#define VAR 1
-/* fallback for round() */
-static inline double
-_hb_round (double x)
-{
- if (x >= 0)
- return floor (x + 0.5);
- else
- return ceil (x - 0.5);
-}
-#if !defined (HAVE_ROUND) && !defined (HAVE_DECL_ROUND)
-#define round(x) _hb_round(x)
-#endif
-
-
/* fallback for posix_memalign() */
static inline int
_hb_memalign(void **memptr, size_t alignment, size_t size)
