[R-pkg-devel] win-builder, compiling C code, make[1]: ar: Command not found

[Duncan Murdoch]

On 07/10/2016 3:06 PM, Gillian Sharer wrote:
> Hi,
>
> I tried to submit a package to win-builder with C code and it won’t compile. I get this result:
>
>    ar -crs libmseed.a fileutils.o genutils.o gswap.o lmplatform.o lookup.o msrutils.o pack.o packdata.o traceutils.o    tracelist.o parseutils.o unpack.o unpackdata.o selection.o logging.o
>    make[1]: ar: Command not found
>    make[1]: *** [libmseed.a] Error 127
>    make[1]: Leaving directory `/cygdrive/d/temp/RtmpUvWmaH/R.INSTALL3e847db06d40/IRISSeismic/src- i386/libmseed'
>    make: *** [libmseed/libmseed.a] Error 2
>    Warning: running command 'make -f "Makevars.win" -f "D:/RCompile/recent/R/etc/i386/Makeconf" -f   "D:/RCompile/recent/R/etc/i386/Makevars.site" -f "D:/RCompile/recent/R/share/make/winshlib.mk"   SHLIB="IRISSeismic.dll" OBJECTS="parseMiniSEED.o"' had status 2
>    ERROR: compilation failed for package ‘IRISSeismic'
>
> It says it can’t find the command ar, which I don’t understand. This was my original Makevars.win file:
>
>    PKG_CFLAGS=
>    PKG_CPPFLAGS=-Ilibmseed
>    PKG_LIBS=-Llibmseed -lmseed
>    $(SHLIB): libmseed/libmseed.a
>    libmseed/libmseed.a:
> 	@(cd libmseed && $(MAKE) static CC="$(CC)" CFLAGS="$(CFLAGS)”)
>    clean:
> 	@(cd libmseed && $(MAKE) clean)
>
> and I also tried it using the following with the same results:
>
>    libmseed/libmseed.a:
> 	@(cd libmseed && $(MAKE) static CC="$(CC)" CFLAGS="$(CFLAGS)” AR="$(AR)")
>
> A google search turned up nothing and a stackoverflow question has not had any responses yet. Is there something I’m missing? And is there any other relevant information I can provide? I don’t have much experience compiling C code, but it works on Mac OSX and Linux.

It's just what it said:  you don't have ar on your path.  Normally the 
$(AR) variable is set to $(BINPREF)ar.  Perhaps you've changed 
R_HOME/etc/Makeconf so that isn't true, or have overridden BINPREF with 
a value different from the default.

Duncan Murdoch