From de8a5b78105f9c7f60213a4d15a31a03f7485b6d Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Fri, 15 May 2009 16:15:57 +0000 Subject: 2009-05-15 Craig Howland * configure.in: Add configuration test for long double type existing and set flag _HAVE_LONG_DOUBLE if true. Fix INIT_ARRAY (.init_array) and _LDBL_EQ_DBL tests to not link so that will work with cross-compilers. * configure: Regenerated. * Makefile.in: Ditto. * newlib.hin: Add _HAVE_LONG_DOUBLE flag. * libc/include/math.h: Change non-builtin defines for HUGE_VAL, HUGE_VALF, and HUGE_VALL to be constant expressions. Add definitions for the non-builtin case for INFINITY and NAN. Gate HUGE_VALL and union __ldmath definitions with (new) _HAVE_LONG_DOUBLE. *libm/common/s_infconst.c: Change definitions to use values from float.h instead of non-so-portable integer forms. Mark as being deprecated (because now removed from math.h, are not used anywhere in Newlib, itself). --- newlib/configure | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 67 insertions(+), 7 deletions(-) (limited to 'newlib/configure') diff --git a/newlib/configure b/newlib/configure index 1d9108d88..baf10f668 100755 --- a/newlib/configure +++ b/newlib/configure @@ -462,7 +462,7 @@ ac_subdirs_all="$ac_subdirs_all libc" ac_subdirs_all="$ac_subdirs_all libm" ac_subdirs_all="$ac_subdirs_all doc" ac_subdirs_all="$ac_subdirs_all iconvdata" -ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS MAY_SUPPLY_SYSCALLS_TRUE MAY_SUPPLY_SYSCALLS_FALSE newlib_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar CC DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB READELF ac_ct_READELF MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT CCAS CCASFLAGS NEWLIB_CFLAGS LDFLAGS ELIX_LEVEL_0_TRUE ELIX_LEVEL_0_FALSE ELIX_LEVEL_1_TRUE ELIX_LEVEL_1_FALSE ELIX_LEVEL_2_TRUE ELIX_LEVEL_2_FALSE ELIX_LEVEL_3_TRUE ELIX_LEVEL_3_FALSE ELIX_LEVEL_4_TRUE ELIX_LEVEL_4_FALSE USE_LIBTOOL_TRUE USE_LIBTOOL_FALSE OBJEXT oext aext lpfx libm_machine_dir machine_dir sys_dir SED DLLTOOL ac_ct_DLLTOOL OBJDUMP ac_ct_OBJDUMP LIBTOOL CFLAGS CPPFLAGS ac_ct_CC EXEEXT EGREP FGREP GREP LD DUMPBIN ac_ct_DUMPBIN NM LN_S lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CPP NEWLIB_HW_FP_TRUE NEWLIB_HW_FP_FALSE CC_FOR_NEWLIB subdirs HAVE_DOC_TRUE HAVE_DOC_FALSE EXTRA_DIRS CRT0 CRT0_DIR CRT1 CRT1_DIR LIBM_MACHINE_OBJECTLIST MACHINE_OBJECTLIST SYS_OBJECTLIST SYS_MACH_OBJECTLIST POSIX_OBJECTLIST SIGNAL_OBJECTLIST SYSCALL_OBJECTLIST UNIX_OBJECTLIST STDIO64_OBJECTLIST CC_FOR_BUILD libc_cv_initfinit_array LIBOBJS LTLIBOBJS' +ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS MAY_SUPPLY_SYSCALLS_TRUE MAY_SUPPLY_SYSCALLS_FALSE newlib_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar CC DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB READELF ac_ct_READELF MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT CCAS CCASFLAGS NEWLIB_CFLAGS LDFLAGS ELIX_LEVEL_0_TRUE ELIX_LEVEL_0_FALSE ELIX_LEVEL_1_TRUE ELIX_LEVEL_1_FALSE ELIX_LEVEL_2_TRUE ELIX_LEVEL_2_FALSE ELIX_LEVEL_3_TRUE ELIX_LEVEL_3_FALSE ELIX_LEVEL_4_TRUE ELIX_LEVEL_4_FALSE USE_LIBTOOL_TRUE USE_LIBTOOL_FALSE OBJEXT oext aext lpfx libm_machine_dir machine_dir sys_dir SED DLLTOOL ac_ct_DLLTOOL OBJDUMP ac_ct_OBJDUMP LIBTOOL CFLAGS CPPFLAGS ac_ct_CC EXEEXT EGREP FGREP GREP LD DUMPBIN ac_ct_DUMPBIN NM LN_S lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CPP NEWLIB_HW_FP_TRUE NEWLIB_HW_FP_FALSE CC_FOR_NEWLIB subdirs HAVE_DOC_TRUE HAVE_DOC_FALSE EXTRA_DIRS CRT0 CRT0_DIR CRT1 CRT1_DIR LIBM_MACHINE_OBJECTLIST MACHINE_OBJECTLIST SYS_OBJECTLIST SYS_MACH_OBJECTLIST POSIX_OBJECTLIST SIGNAL_OBJECTLIST SYSCALL_OBJECTLIST UNIX_OBJECTLIST STDIO64_OBJECTLIST CC_FOR_BUILD libc_cv_initfinit_array HAVE_LONG_DOUBLE_TRUE HAVE_LONG_DOUBLE_FALSE LIBOBJS LTLIBOBJS' ac_subst_files='' # Initialize some variables set by options. @@ -11874,8 +11874,8 @@ int __start (void) { return 0; } int foo (void) { return 1; } int (*fp) (void) __attribute__ ((section (".init_array"))) = foo; EOF -if { ac_try='${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c - -static -nostartfiles -nostdlib 1>&5' +if { ac_try='${CC} $CFLAGS $CPPFLAGS -c -o conftest conftest.c + 1>&5' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11902,8 +11902,59 @@ _ACEOF fi -echo "$as_me:$LINENO: checking long double equals double" >&5 -echo $ECHO_N "checking long double equals double... $ECHO_C" >&6 +echo "$as_me:$LINENO: checking whether long double type exists" >&5 +echo $ECHO_N "checking whether long double type exists... $ECHO_C" >&6 +if test "${acnewlib_cv_type_long_double+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat > conftest.c < +#if defined(LDBL_MANT_DIG) + #define _HAVE_LONG_DOUBLE + #else + #error "LDBL != DBL" +#endif +long double test() { +long double ld = 0.0L; +return ld; +} +EOF +if { ac_try='${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c + 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } +then + acnewlib_cv_type_long_double=yes; +else + acnewlib_cv_type_long_double=no; +fi +rm -f conftest* +fi +echo "$as_me:$LINENO: result: $acnewlib_cv_type_long_double" >&5 +echo "${ECHO_T}$acnewlib_cv_type_long_double" >&6 +if test $acnewlib_cv_type_long_double = yes; then + cat >>confdefs.h <<_ACEOF +#define _HAVE_LONG_DOUBLE 1 +_ACEOF + +fi + + +if test x"$acnewlib_cv_type_long_double" = x"yes"; then + HAVE_LONG_DOUBLE_TRUE= + HAVE_LONG_DOUBLE_FALSE='#' +else + HAVE_LONG_DOUBLE_TRUE='#' + HAVE_LONG_DOUBLE_FALSE= +fi + + +echo "$as_me:$LINENO: checking whether long double equals double" >&5 +echo $ECHO_N "checking whether long double equals double... $ECHO_C" >&6 if test "${newlib_ldbl_eq_dbl+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else @@ -11916,8 +11967,8 @@ else #error "LDBL != DBL" #endif EOF -if { ac_try='${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c - -static -nostartfiles -nostdlib 1>&5' +if { ac_try='${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c + 1>&5' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -12123,6 +12174,13 @@ echo "$as_me: error: conditional \"HAVE_DOC\" was never defined. Usually this means the macro was only invoked conditionally." >&2;} { (exit 1); exit 1; }; } fi +if test -z "${HAVE_LONG_DOUBLE_TRUE}" && test -z "${HAVE_LONG_DOUBLE_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"HAVE_LONG_DOUBLE\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"HAVE_LONG_DOUBLE\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi : ${CONFIG_STATUS=./config.status} ac_clean_files_save=$ac_clean_files @@ -13050,6 +13108,8 @@ s,@UNIX_OBJECTLIST@,$UNIX_OBJECTLIST,;t t s,@STDIO64_OBJECTLIST@,$STDIO64_OBJECTLIST,;t t s,@CC_FOR_BUILD@,$CC_FOR_BUILD,;t t s,@libc_cv_initfinit_array@,$libc_cv_initfinit_array,;t t +s,@HAVE_LONG_DOUBLE_TRUE@,$HAVE_LONG_DOUBLE_TRUE,;t t +s,@HAVE_LONG_DOUBLE_FALSE@,$HAVE_LONG_DOUBLE_FALSE,;t t s,@LIBOBJS@,$LIBOBJS,;t t s,@LTLIBOBJS@,$LTLIBOBJS,;t t CEOF -- cgit v1.2.3