http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47802
--- Comment #4 from John David Anglin <danglin at gcc dot gnu.org> 2011-02-19 17:23:08 UTC --- Also, we have another problem: libtool: compile: /xxx/gnu/gcc/objdir/./gcc/xgcc -B/xxx/gnu/gcc/objdir/./gcc/ - B/opt/gnu/gcc/gcc-4.6/hppa1.1-hp-hpux10.20/bin/ -B/opt/gnu/gcc/gcc-4.6/hppa1.1-h p-hpux10.20/lib/ -isystem /opt/gnu/gcc/gcc-4.6/hppa1.1-hp-hpux10.20/include -isystem /opt/gnu/gcc/gcc-4.6/hppa1.1-hp-hpux10.20/sys-include -DHAVE_CONFIG_H -I. - I../../../../gcc/libgfortran -iquote../../../../gcc/libgfortran/io -I../../../.. /gcc/libgfortran/../gcc -I../../../../gcc/libgfortran/../gcc/config -I../../../../gcc/libgfortran/../libquadmath -I../../.././gcc -D_GNU_SOURCE -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite -strings -fcx-fortran-rules -g -O2 -threads -MT getlog.lo -MD -MP -MF .deps/getl og.Tpo -c ../../../../gcc/libgfortran/intrinsics/getlog.c -fPIC -DPIC -o .libs/ getlog.o ../../../../gcc/libgfortran/intrinsics/getlog.c: In function '_gfortran_getlog': ../../../../gcc/libgfortran/intrinsics/getlog.c:89:3: error: too many arguments to function 'getpwuid_r' /usr/include/pwd.h:37:17: note: declared here The HP-UX 10.20 version of 'getpwuid_r' doesn't have last argument of POSIX version. _REENTRANT needs to be defined to obtain header declarations for reentrant functions.