[R-SIG-Mac] Installing svglite in R-devel

[Duncan Murdoch]

Thanks, that did it (after rebuilding R).

Duncan

On 2025-05-22 8:17 a.m., peter dalgaard wrote:
> (Simon will say something about not to use config.site...)
> 
> I think you need LDFLAGS in config.site. For the nightlies, I have
> 
> % more ~/r-devel/config.site
> CPPFLAGS=-I/opt/R/arm64/include
> LDFLAGS=-L/opt/R/arm64/lib
> with_tcl_config=/opt/R/arm64/lib/tclConfig.sh
> with_tk_config=/opt/R/arm64/lib/tkConfig.sh
> 
> -pd
> 
>> On 22 May 2025, at 13:35 , Duncan Murdoch <murdoch.duncan using gmail.com> wrote:
>>
>> I'm trying to install the svglite package in R-devel on my M3 Mac running Sonoma 14.7.1, and getting these results:
>>
>>>> install.packages("svglite")
>>> --- Please select a CRAN mirror for use in this session ---
>>> trying URL 'https://cloud.r-project.org/src/contrib/svglite_2.2.1.tar.gz'
>>> Content type 'application/x-gzip' length 134155 bytes (131 KB)
>>> ==================================================
>>> downloaded 131 KB
>>> * installing *source* package ‘svglite’ ...
>>> ** this is package ‘svglite’ version ‘2.2.1’
>>> ** package ‘svglite’ successfully unpacked and MD5 sums checked
>>> ** using staged installation
>>> ** libs
>>> using C++ compiler: ‘Apple clang version 16.0.0 (clang-1600.0.26.6)’
>>> using SDK: ‘MacOSX15.2.sdk’
>>> clang++ -std=gnu++17 -I"/Users/murdoch/R/R-devel/include" -DNDEBUG  -I'/Users/murdoch/R/R-devel/library/cpp11/include' -I'/Users/murdoch/R/R-devel/library/systemfonts/include' -I'/Users/murdoch/R/R-devel/library/textshaping/include' -isystem /opt/R/arm64/include    -fPIC  -g -O2   -c SvgStream.cpp -o SvgStream.o
>>> clang++ -std=gnu++17 -I"/Users/murdoch/R/R-devel/include" -DNDEBUG  -I'/Users/murdoch/R/R-devel/library/cpp11/include' -I'/Users/murdoch/R/R-devel/library/systemfonts/include' -I'/Users/murdoch/R/R-devel/library/textshaping/include' -isystem /opt/R/arm64/include    -fPIC  -g -O2   -c cpp11.cpp -o cpp11.o
>>> clang++ -std=gnu++17 -I"/Users/murdoch/R/R-devel/include" -DNDEBUG  -I'/Users/murdoch/R/R-devel/library/cpp11/include' -I'/Users/murdoch/R/R-devel/library/systemfonts/include' -I'/Users/murdoch/R/R-devel/library/textshaping/include' -isystem /opt/R/arm64/include    -fPIC  -g -O2   -c devSVG.cpp -o devSVG.o
>>> clang++ -std=gnu++17 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -L/Users/murdoch/R/R-devel/lib -L/usr/local/lib -o svglite.so SvgStream.o cpp11.o devSVG.o -lpng -lz -L/Users/murdoch/R/R-devel/lib -lR
>>> ld: library 'png' not found
>>> clang++: error: linker command failed with exit code 1 (use -v to see invocation)
>>> make: *** [svglite.so] Error 1
>>> ERROR: compilation failed for package ‘svglite’
>>> * removing ‘/Users/murdoch/R/R-devel/library/svglite’
>>
>> I do have libpng installed:
>>
>>> murdoch using djmair4 /opt/R/arm64/lib
>>> $ ls -l libpng*
>>> lrwxr-xr-x  1 root  admin       10 30 Mar 18:58 libpng.a@ -> libpng16.a
>>> lrwxr-xr-x  1 root  admin       11 30 Mar 18:58 libpng.la@ -> libpng16.la
>>> -rw-r--r--  1 root  admin  1094008 30 Mar 18:58 libpng16.a
>>> -rwxr-xr-x  1 root  admin      895 30 Mar 18:58 libpng16.la*
>>
>> I have a config.site file in the R-devel-src folder, modified with these changes:
>>
>>> Index: config.site
>>> ===================================================================
>>> --- config.site	(revision 88220)
>>> +++ config.site	(working copy)
>>> @@ -45,7 +45,7 @@
>>> ## It is also necessary to set the architecture here, e.g. 'gcc -m32'.
>>> ## If this is a wrapper it should pass on --version to the real compiler.
>>> ## This will be replaced by CC23 (see below) if a C23 compiler is found.
>>> -## CC=
>>> +CC=clang
>>>   ## Debugging and optimization options for the C compiler.
>>> ## Use this to specify CFLAGS for the version of the C compiler
>>> @@ -111,12 +111,12 @@
>>> ## options (such as defines) for the C preprocessor and compiler.
>>> ## If unset defaults to '-I/usr/local/include', with '-I/sw/include'
>>> ## prepended on systems using Fink with root '/sw'.
>>> -## CPPFLAGS=
>>> +CPPFLAGS='-isystem /opt/R/arm64/include'
>>>   ## The command which runs the Fortran compiler.
>>> ## Used for both fixed-form and free-form Fortran
>>> ## If this is a wrapper it should pass on --version to the real compiler.
>>> -## FC=
>>> +FC="/opt/gfortran/bin/gfortran -mtune=native"
>>>   ## Options for the Fortran compiler.
>>> ## Use this to specify comilation flags for fixed-form Fortran.
>>> @@ -223,7 +223,7 @@
>>> ## and then looks under the names 'c++', 'g++', 'CC' and more OS-specific
>>> ## names (from autoconf).
>>> ## If this is a wrapper it should pass on --version to the real compiler.
>>> -## CXX=
>>> +CXX=clang++
>>>   ## Options for the C++ compiler.
>>> ## CXXFLAGS=
>>> @@ -255,7 +255,7 @@
>>>   ## Objective-C(++), mainly for macOS
>>> ## On macOS, Apple clang with additional gcc flag -fobjc-exceptions
>>> -## OBJC=
>>> +OBJC=$CC
>>> ## OBJCFLAGS=
>>> ## OBJC_LIBS-
>>> ## Objective-C compiler, usually the same as $CXX $CXXSTD
>>
>> Can anyone spot what needs fixing?
>>
>> Duncan Murdoch
>>
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