| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | When cross compiling a target gcc, target flags may be used on the host |
| 2 | |
| 3 | Configure identifies a number of warning flags (WARN_CFLAGS and |
| 4 | WARN_CXXFLAGS) from the $CC value. The cross compiler may be different |
| 5 | from the host compiler and may not support the same set of flags. This |
| 6 | leads to problems such as: |
| 7 | |
| 8 | cc1plus: error: unrecognized command line option "-Wno-narrowing" |
| 9 | cc1plus: error: unrecognized command line option "-Wno-overlength-strings" |
| 10 | |
| 11 | Work around this problem by removing the warning flags from the |
| 12 | BUILD_CXXFLAGS value, in a way similar to the BUILD_CFLAGS. |
| 13 | |
| 14 | Upstream-Status: Pending |
| 15 | |
| 16 | Signed-off-by: Mark Hatle <mark.hatle@windriver.com> |
| 17 | |
| 18 | Index: gcc-4.8.4/gcc/configure |
| 19 | =================================================================== |
| 20 | --- gcc-4.8.4.orig/gcc/configure |
| 21 | +++ gcc-4.8.4/gcc/configure |
| 22 | @@ -17864,7 +17864,7 @@ else |
| 23 | lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 |
| 24 | lt_status=$lt_dlunknown |
| 25 | cat > conftest.$ac_ext <<_LT_EOF |
| 26 | -#line 17853 "configure" |
| 27 | +#line 17867 "configure" |
| 28 | #include "confdefs.h" |
| 29 | |
| 30 | #if HAVE_DLFCN_H |
| 31 | @@ -17970,7 +17970,7 @@ else |
| 32 | lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 |
| 33 | lt_status=$lt_dlunknown |
| 34 | cat > conftest.$ac_ext <<_LT_EOF |
| 35 | -#line 17959 "configure" |
| 36 | +#line 17973 "configure" |
| 37 | #include "confdefs.h" |
| 38 | |
| 39 | #if HAVE_DLFCN_H |
| 40 | @@ -26918,18 +26918,15 @@ $as_echo "#define TARGET_LIBC_PROVIDES_S |
| 41 | fi |
| 42 | |
| 43 | # Test for <sys/sdt.h> on the target. |
| 44 | - |
| 45 | -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking sys/sdt.h in the target C library" >&5 |
| 46 | -$as_echo_n "checking sys/sdt.h in the target C library... " >&6; } |
| 47 | -have_sys_sdt_h=no |
| 48 | +#GCC_TARGET_TEMPLATE([HAVE_SYS_SDT_H]) |
| 49 | +#AC_MSG_CHECKING(sys/sdt.h in the target C library) |
| 50 | +#have_sys_sdt_h=no |
| 51 | #if test -f $target_header_dir/sys/sdt.h; then |
| 52 | # have_sys_sdt_h=yes |
| 53 | -# |
| 54 | -#$as_echo "#define HAVE_SYS_SDT_H 1" >>confdefs.h |
| 55 | -# |
| 56 | +# AC_DEFINE(HAVE_SYS_SDT_H, 1, |
| 57 | +# [Define if your target C library provides sys/sdt.h]) |
| 58 | #fi |
| 59 | -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_sys_sdt_h" >&5 |
| 60 | -$as_echo "$have_sys_sdt_h" >&6; } |
| 61 | +#AC_MSG_RESULT($have_sys_sdt_h) |
| 62 | |
| 63 | # Check if TFmode long double should be used by default or not. |
| 64 | # Some glibc targets used DFmode long double, but with glibc 2.4 |