diff options
Diffstat (limited to 'gnulib-m4/frexp.m4')
| -rw-r--r-- | gnulib-m4/frexp.m4 | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/gnulib-m4/frexp.m4 b/gnulib-m4/frexp.m4 index d8f3cef4..54cbb6d5 100644 --- a/gnulib-m4/frexp.m4 +++ b/gnulib-m4/frexp.m4 @@ -1,5 +1,5 @@ -# frexp.m4 serial 16 -dnl Copyright (C) 2007-2022 Free Software Foundation, Inc. +# frexp.m4 serial 20 +dnl Copyright (C) 2007-2024 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -13,7 +13,7 @@ AC_DEFUN([gl_FUNC_FREXP], AC_CACHE_CHECK([whether frexp() can be used with libm], [gl_cv_func_frexp_in_libm], [ - save_LIBS="$LIBS" + saved_LIBS="$LIBS" LIBS="$LIBS -lm" AC_LINK_IFELSE( [AC_LANG_PROGRAM( @@ -22,7 +22,7 @@ AC_DEFUN([gl_FUNC_FREXP], [[int e; return frexp (x, &e) > 0;]])], [gl_cv_func_frexp_in_libm=yes], [gl_cv_func_frexp_in_libm=no]) - LIBS="$save_LIBS" + LIBS="$saved_LIBS" ]) if test $gl_cv_func_frexp_in_libm = yes; then FREXP_LIBM=-lm @@ -30,10 +30,10 @@ AC_DEFUN([gl_FUNC_FREXP], fi if test $gl_cv_func_frexp_no_libm = yes \ || test $gl_cv_func_frexp_in_libm = yes; then - save_LIBS="$LIBS" + saved_LIBS="$LIBS" LIBS="$LIBS $FREXP_LIBM" gl_FUNC_FREXP_WORKS - LIBS="$save_LIBS" + LIBS="$saved_LIBS" case "$gl_cv_func_frexp_works" in *yes) gl_func_frexp=yes ;; *) gl_func_frexp=no; REPLACE_FREXP=1; FREXP_LIBM= ;; @@ -156,7 +156,8 @@ int main() { int exp; double y = frexp (x, &exp); - if (memcmp (&y, &x, sizeof x)) + double x1 = x; + if (memcmp (&y, &x1, sizeof x1)) result |= 4; } return result; @@ -165,7 +166,11 @@ int main() [gl_cv_func_frexp_works=no], [case "$host_os" in netbsd* | irix*) gl_cv_func_frexp_works="guessing no" ;; - mingw*) # Guess yes with MSVC, no with mingw. + # Guess yes with MSVC, no with mingw. + windows*-msvc*) + gl_cv_func_frexp_works="guessing yes" + ;; + mingw* | windows*) AC_EGREP_CPP([Good], [ #ifdef _MSC_VER Good |