* using log directory 'd:/Rcompile/CRANpkg/local/4.6/precondition.Rcheck'
* using R version 4.6.0 beta (2026-04-16 r89899 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.3.0
    GNU Fortran (GCC) 14.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* current time: 2026-04-17 14:49:43 UTC
* checking for file 'precondition/DESCRIPTION' ... OK
* this is package 'precondition' version '0.1.0'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'precondition' can be installed ... ERROR
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.6/precondition.Rcheck/00install.out' for details.
* DONE
The installation logfile:
* installing *source* package 'precondition' ...
** this is package 'precondition' version '0.1.0'
** package 'precondition' successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: 'gcc.exe (GCC) 14.3.0'
make[1]: Entering directory '/d/temp/2026_04_17_01_50_00_1722/RtmpsXQUXK/R.INSTALL183b87d995b18/precondition/src'
gcc  -I"D:/RCompile/recent/R/include" -DNDEBUG     -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -Wstrict-prototypes -O2 -Wall -std=gnu2x  -mfpmath=sse -msse2 -mstackrealign   -c precondition.c -o precondition.o
precondition.c: In function 'diagnose_assertion_failure':
precondition.c:22:6: error: implicit declaration of function 'Rf_findVarInFrame'; did you mean 'findVarInFrame'? [-Wimplicit-function-declaration]
   22 |   if(Rf_findVarInFrame(context_frame, install(".diagnostics")) != R_UnboundValue) {
      |      ^~~~~~~~~~~~~~~~~
      |      findVarInFrame
precondition.c:22:64: warning: comparison between pointer and integer
   22 |   if(Rf_findVarInFrame(context_frame, install(".diagnostics")) != R_UnboundValue) {
      |                                                                ^~
precondition.c: In function 'ffi_assert_all':
precondition.c:59:15: error: initialization of 'SEXP' {aka 'struct SEXPREC *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
   59 |   SEXP dots = Rf_findVarInFrame(frame, R_DotsSymbol);
      |               ^~~~~~~~~~~~~~~~~
precondition.c:71:29: error: implicit declaration of function 'R_PromiseExpr' [-Wimplicit-function-declaration]
   71 |       assertion_info.expr = R_PromiseExpr(arg);
      |                             ^~~~~~~~~~~~~
precondition.c:71:27: error: assignment to 'SEXP' {aka 'struct SEXPREC *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
   71 |       assertion_info.expr = R_PromiseExpr(arg);
      |                           ^
precondition.c:72:33: error: implicit declaration of function 'PRENV' [-Wimplicit-function-declaration]
   72 |       assertion_info.expr_env = PRENV(arg);
      |                                 ^~~~~
precondition.c:72:31: error: assignment to 'SEXP' {aka 'struct SEXPREC *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
   72 |       assertion_info.expr_env = PRENV(arg);
      |                               ^
make[1]: *** [D:/RCompile/recent/R/etc/x64/Makeconf:297: precondition.o] Error 1
make[1]: Leaving directory '/d/temp/2026_04_17_01_50_00_1722/RtmpsXQUXK/R.INSTALL183b87d995b18/precondition/src'
ERROR: compilation failed for package 'precondition'
* removing 'd:/Rcompile/CRANpkg/lib/4.6/precondition'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.6/precondition'