(I just checked out svn trunk and have built on NetBSD 6 i386, with only a few small issues. I'm not entirely clear on whether I should be filing bugs as some of the issues are a bit confusing. I'm sending separate mails as the issues are unrelated. The good news is that I didn't find any format-string warnings about types.)
The first issue is that in cpl_conv.cc, I got an error about atoll not
being defined. This surprised me, because stdlib.h was included.
However there are a lot of namespacing includes in there; atoll is from
C99. A simple test program builds fine.
Building gdal results in a complain that atoll was not declared (log at
end).
The following patch resolves the issue. I don't understand the strategy
for turning on/off the namespacing defines, but clearly something is
going on because I normally don't see _XOPEN_SOURCE defined.
Index: port/cpl_conv.cpp
===================================================================
--- port/cpl_conv.cpp (revision 31282)
+++ port/cpl_conv.cpp (working copy)
@@ -31,6 +31,9 @@
// For uselocale
#define _XOPEN_SOURCE 700
+// For atoll
+#define _ISOC99_SOURCE
+
#ifdef MSVC_USE_VLD
#include <vld.h>
#endif
----------------------------------------
[The following test program compiles warning-free with -Wall with both
gcc and clang, with as gcc main.c or g++ main.cc]
#include <stdlib.h>
int main()
{
long long i;
i = atoll("1234");
return 0;
}
----------------------------------------
[log from gdal without my change]
gmake[1]: Entering directory '/usr/home/gdt/SOFTWARE/GEO/gdal/port'
/bin/ksh /home/gdt/SOFTWARE/GEO/gdal/libtool --mode=compile --tag=CXX g++
-I/home/gdt/SOFTWARE/GEO/gdal/port -I/home/gdt/SOFTWARE/GEO/gdal/gcore
-I/home/gdt/SOFTWARE/GEO/gdal/alg -I/home/gdt/SOFTWARE/GEO/gdal/ogr
-I/home/gdt/SOFTWARE/GEO/gdal/ogr/ogrsf_frmts -I/home/gdt/SOFTWARE/GEO/gdal/gnm
-I/home/gdt/SOFTWARE/GEO/gdal/apps -g -O2 -Wall -Wextra -Winit-self
-Wunused-parameter -Wformat -Werror=format-security -Wno-format-nonliteral
-Werror=vla -Wno-clobbered -Wmissing-declarations -DOGR_ENABLED
-I/usr/pkg/include -I/home/gdt/SOFTWARE/GEO/gdal/port -I/usr/pkg/include
-DGDAL_COMPILATION -I/usr/pkg/include -DHAVE_CURL -DHAVE_LIBZ
-I/usr/pkg/include/libxml2 -DHAVE_LIBXML2 -DUSE_ONLY_CRYPTODLL_ALG -c -o
cpl_conv.lo cpl_conv.cpp
libtool: compile: g++ -I/home/gdt/SOFTWARE/GEO/gdal/port
-I/home/gdt/SOFTWARE/GEO/gdal/gcore -I/home/gdt/SOFTWARE/GEO/gdal/alg
-I/home/gdt/SOFTWARE/GEO/gdal/ogr -I/home/gdt/SOFTWARE/GEO/gdal/ogr/ogrsf_frmts
-I/home/gdt/SOFTWARE/GEO/gdal/gnm -I/home/gdt/SOFTWARE/GEO/gdal/apps -g -O2
-Wall -Wextra -Winit-self -Wunused-parameter -Wformat -Werror=format-security
-Wno-format-nonliteral -Werror=vla -Wno-clobbered -Wmissing-declarations
-DOGR_ENABLED -I/usr/pkg/include -I/home/gdt/SOFTWARE/GEO/gdal/port
-I/usr/pkg/include -DGDAL_COMPILATION -I/usr/pkg/include -DHAVE_CURL
-DHAVE_LIBZ -I/usr/pkg/include/libxml2 -DHAVE_LIBXML2 -DUSE_ONLY_CRYPTODLL_ALG
-c cpl_conv.cpp -fPIC -DPIC -o .libs/cpl_conv.o
cpl_conv.cpp: In function 'GUIntBig CPLScanUIntBig(const char*, int)':
cpl_conv.cpp:915:30: error: 'atoll' was not declared in this scope
cpl_conv.cpp: In function 'GIntBig CPLAtoGIntBig(const char*)':
cpl_conv.cpp:941:29: error: 'atoll' was not declared in this scope
cpl_conv.cpp: In function 'GIntBig CPLAtoGIntBigEx(const char*, int, int*)':
cpl_conv.cpp:994:29: error: 'atoll' was not declared in this scope
cpl_conv.cpp: In function 'GIntBig CPLAtoGIntBig(const char*)':
cpl_conv.cpp:945:1: warning: control reaches end of non-void function
../GDALmake.opt:653: recipe for target 'cpl_conv.lo' failed
gmake[1]: *** [cpl_conv.lo] Error 1
gmake[1]: Leaving directory '/usr/home/gdt/SOFTWARE/GEO/gdal/port'
GNUmakefile:70: recipe for target 'port-target' failed
gmake: *** [port-target] Error 2
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