groff: fix static build

Without manual override following problematic code in generated
"configure" script (line 15918):

  case "$host_os" in
    # Guess yes on glibc systems.
    *-gnu* | gnu*) gl_cv_func_signbit="guessing yes" ;;
    # Guess yes on native Windows.
    mingw*)        gl_cv_func_signbit="guessing yes" ;;
    # If we don't know, assume the worst.
    *)             gl_cv_func_signbit="guessing no" ;;
  esac

results in declaration conflict with gnulib declaring

  int signbit(double)

while system "math.h" providing modern declaration as

  constexpr bool signbit(double)
This commit is contained in:
Dmitry Bogatov 2020-12-25 00:00:00 +00:00 committed by Frederik Rietdijk
parent da613094f7
commit a8040c700a

View file

@ -52,6 +52,7 @@ stdenv.mkDerivation rec {
"--with-gs=${ghostscript}/bin/gs"
] ++ stdenv.lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [
"ac_cv_path_PERL=${buildPackages.perl}/bin/perl"
"gl_cv_func_signbit=yes"
];
makeFlags = stdenv.lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [