1fix build with gcc 10 2 3Define curr_state as extern in nanocom.h to avoid the following build 4failure with gcc 10 (which defaults to -fno-common): 5 6/home/buildroot/autobuild/instance-3/output-1/host/lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: /tmp/ccLQeiek.o:(.bss+0x7c): multiple definition of `curr_state'; /tmp/ccse155z.o:(.bss+0x0): first defined here 7 8Fixes: 9 - http://autobuild.buildroot.org/results/4af4710cb9bbb1bc770b9824339dd7dbf8a80b05 10 11Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> 12 13diff -Naurp nanocom-1.0.orig/nanocom.c nanocom-1.0/nanocom.c 14--- nanocom-1.0.orig/nanocom.c 2020-09-04 14:50:15.973320870 +0200 15+++ nanocom-1.0/nanocom.c 2020-09-04 14:53:49.429325087 +0200 16@@ -20,6 +20,8 @@ Based upon microcom by Anca and Lucian J 17 18 #include "nanocom.h" 19 20+state curr_state; 21+ 22 int crnl_mapping; //0 - no mapping, 1 mapping 23 24 char device[MAX_DEVICE_NAME]; /* serial device name */ 25diff -Naurp nanocom-1.0.orig/nanocom.h nanocom-1.0/nanocom.h 26--- nanocom-1.0.orig/nanocom.h 2020-09-04 14:50:15.973320870 +0200 27+++ nanocom-1.0/nanocom.h 2020-09-04 14:51:12.269321982 +0200 28@@ -73,7 +73,7 @@ typedef struct { 29 char echo_type; /*r for remote, l for local and n for none*/ 30 } state; 31 32-state curr_state; 33+extern state curr_state; 34 35 #endif /* NANOCOM_H */ 36 37