* installing to library ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages’
* installing *source* package ‘iapws’ ...
** package ‘iapws’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-14 (Debian 14.2.0-8) 14.2.0’
make[1]: Entering directory '/tmp/RtmpIinou0/R.INSTALL1bd7425f87d27f/iapws/src'
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c R_interface.c -o R_interface.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c elec.c -o elec.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c heavy17.c -o heavy17.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c iapws.c -o iapws.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c iapws95.c -o iapws95.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c ice06.c -o ice06.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c if97.c -o if97.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c melt.c -o melt.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c nroot.c -o nroot.o
gcc-14 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c phi.c -o phi.o
In file included from pow.h:25,
                 from phi.c:24:
phi.c: In function ‘iapws_phi’:
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include/Rmath.h:211:25: error: ‘const struct iapws_phi_coef2’ has no member named ‘Rf_beta’; did you mean ‘beta’?
  211 | #define beta            Rf_beta
      |                         ^~~~~~~
phi.c:88:65: note: in expansion of macro ‘beta’
   88 |                         exp(-coef2[i].alpha * dc * dc -coef2[i].beta * tc * tc);
      |                                                                 ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include/Rmath.h:211:25: error: ‘const struct iapws_phi_coef2’ has no member named ‘Rf_beta’; did you mean ‘beta’?
  211 | #define beta            Rf_beta
      |                         ^~~~~~~
phi.c:90:48: note: in expansion of macro ‘beta’
   90 |                 tc = coef2[i].t - 2 * coef2[i].beta * tau * tc;
      |                                                ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include/Rmath.h:211:25: error: ‘const struct iapws_phi_coef2’ has no member named ‘Rf_beta’; did you mean ‘beta’?
  211 | #define beta            Rf_beta
      |                         ^~~~~~~
phi.c:98:46: note: in expansion of macro ‘beta’
   98 |                                 2 * coef2[i].beta * POW2(tau));
      |                                              ^~~~
make[1]: *** [/home/hornik/tmp/R.check/r-devel-gcc/Work/build/etc/Makeconf:195: phi.o] Error 1
make[1]: Leaving directory '/tmp/RtmpIinou0/R.INSTALL1bd7425f87d27f/iapws/src'
ERROR: compilation failed for package ‘iapws’
* removing ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/iapws’