When building on Fedora 32, following error is observed:

/usr/bin/ld: 
erase_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:2010:
multiple definition of `crash_reserved_mem_nr'; 
elf_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:2010:
 first defined here
/usr/bin/ld: 
erase_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:2009:
multiple definition of `crash_reserved_mem'; 
elf_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:2009:
 first defined here
/usr/bin/ld: 
erase_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:1278:
multiple definition of `parallel_info_t'; 
elf_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:1278:
 first defined here
/usr/bin/ld: 
erase_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:1265:
multiple definition of `splitting_info_t'; 
elf_info.o:/builddir/build/BUILD/kexec-tools-2.0.20/makedumpfile-1.6.7/makedumpfile.h:1265:
 first defined here

And apparently, these variables are wrongly declared multiple times. So
remove duplicated declaration.

Signed-off-by: Kairui Song <[email protected]>
---
 makedumpfile.c |  2 ++
 makedumpfile.h | 10 ++++++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/makedumpfile.c b/makedumpfile.c
index e290fbd..9aad77b 100644
--- a/makedumpfile.c
+++ b/makedumpfile.c
@@ -34,6 +34,8 @@ struct array_table    array_table;
 struct number_table    number_table;
 struct srcfile_table   srcfile_table;
 struct save_control    sc;
+struct parallel_info   parallel_info_t;
+struct splitting_info  splitting_info_t;
 
 struct vm_table                vt = { 0 };
 struct DumpInfo                *info = NULL;
diff --git a/makedumpfile.h b/makedumpfile.h
index 68d9691..614764c 100644
--- a/makedumpfile.h
+++ b/makedumpfile.h
@@ -1262,7 +1262,8 @@ struct splitting_info {
        mdf_pfn_t               end_pfn;
        off_t                   offset_eraseinfo;
        unsigned long           size_eraseinfo;
-} splitting_info_t;
+};
+extern struct splitting_info splitting_info_t;
 
 struct parallel_info {
        int                     fd_memory;
@@ -1275,7 +1276,8 @@ struct parallel_info {
 #ifdef USELZO
        lzo_bytep               wrkmem;
 #endif
-} parallel_info_t;
+};
+extern struct parallel_info parallel_info_t;
 
 struct ppc64_vmemmap {
        unsigned long           phys;
@@ -2006,8 +2008,8 @@ struct memory_range {
 };
 
 #define CRASH_RESERVED_MEM_NR   8
-struct memory_range crash_reserved_mem[CRASH_RESERVED_MEM_NR];
-int crash_reserved_mem_nr;
+extern struct memory_range crash_reserved_mem[CRASH_RESERVED_MEM_NR];
+extern int crash_reserved_mem_nr;
 
 unsigned long read_vmcoreinfo_symbol(char *str_symbol);
 int readmem(int type_addr, unsigned long long addr, void *bufptr, size_t size);
-- 
2.24.1


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