aboutsummaryrefslogtreecommitdiff
path: root/gcc/config/avr/avr-c.c
diff options
context:
space:
mode:
authorGeorg-Johann Lay <avr@gjlay.de>2012-09-05 08:47:50 +0000
committerGeorg-Johann Lay <gjl@gcc.gnu.org>2012-09-05 08:47:50 +0000
commitb588ae3074e258f5c736034c212e7499a565746f (patch)
tree9f336c5bfcd0b1ffef11bb616b7591f8823a8ed2 /gcc/config/avr/avr-c.c
parent4efbb06f6737868e79b3791af3462fb58da91013 (diff)
downloadgcc-b588ae3074e258f5c736034c212e7499a565746f.zip
gcc-b588ae3074e258f5c736034c212e7499a565746f.tar.gz
gcc-b588ae3074e258f5c736034c212e7499a565746f.tar.bz2
re PR target/54461 ([avr] add configure option for better AVR-Libc integration)
PR target/54461 * configure.ac (noconfigdirs,target=avr-*-*): Add target-newlib, target-libgloss if not configured --with-avrlibc=no. * configure: Regenerate. libgcc/ PR target/54461 * config.host (tmake_file,host=avr-*-*): Add avr/t-avrlibc if not configured --with-avrlibc=no. * config/avr/t-avrlibc: New file. * Makefile.in (FPBIT_FUNCS): filter-out LIB2FUNCS_EXCLUDE. (DPBIT_FUNCS): Ditto. (TPBIT_FUNCS): Ditto. gcc/ PR target/54461 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if not configured --with-avrlibc=no. (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured --with-avrlibc=no. * config/avr/avrlibc.h: New file. * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if not configured --with-avrlibc=no. * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__ From-SVN: r190967
Diffstat (limited to 'gcc/config/avr/avr-c.c')
-rw-r--r--gcc/config/avr/avr-c.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/config/avr/avr-c.c b/gcc/config/avr/avr-c.c
index d689fa0..6eb0eba 100644
--- a/gcc/config/avr/avr-c.c
+++ b/gcc/config/avr/avr-c.c
@@ -148,6 +148,10 @@ avr_cpu_cpp_builtins (struct cpp_reader *pfile)
cpp_define_formatted (pfile, "__AVR_SFR_OFFSET__=0x%x",
avr_current_arch->sfr_offset);
+#ifdef WITH_AVRLIBC
+ cpp_define (pfile, "__WITH_AVRLIBC__");
+#endif /* WITH_AVRLIBC */
+
/* Define builtin macros so that the user can easily query if or if not
non-generic address spaces (and which) are supported.
This is only supported for C. For C++, a language extension is needed