Issues in 'packfor' package installation

I am having issues with the following command:
install.packages("packfor", repos="")

Warning in install.packages :
unable to access index for repository
cannot open URL ''
Package which is only available in source form, and may need
compilation of C/C++/Fortran: ‘packfor’
Do you want to attempt to install these from sources? (Yes/no/cancel)
installing the source package ‘packfor’

trying URL ''
Content type 'application/x-gzip' length 8844 bytes

downloaded 8844 bytes

  • installing source package ‘packfor’ ...
    ** using staged installation
    ** libs
    clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG -I/usr/local/include -fPIC -Wall -g -O2 -c forward.c -o forward.o
    forward.c:411:3: error: implicit declaration of function 'dgesvd_' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    F77_CALL(dgesvd)(&jobu, &jobvt,&size, &size,A, &size, D,U,&size,V,&size,&work1, &lwork,&error);
    /Library/Frameworks/R.framework/Resources/include/R_ext/RS.h:77:22: note: expanded from macro 'F77_CALL'

define F77_CALL(x) x ## _


:80:1: note: expanded from here
forward.c:421:43: warning: data argument not used by format string [-Wformat-extra-args]
fprintf(stderr, "error in dinvG: ", error);
~~~~~~~~~~~~~~~~~~ ^
/Library/Frameworks/R.framework/Resources/include/R_ext/Error.h:52:15: note: expanded from macro 'error'
#define error Rf_error
1 warning and 1 error generated.
make: *** [forward.o] Error 1
ERROR: compilation failed for package ‘packfor’

  • removing ‘/Library/Frameworks/R.framework/Versions/4.2/Resources/library/packfor’
    Warning in install.packages :
    installation of package ‘packfor’ had non-zero exit status

The downloaded source packages are in


Could anyone help me please.

(I am using R4.2.1 on my macOS 12.3.1)

Thank you!

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