diff options
Diffstat (limited to 'gprof/configure.in')
| -rw-r--r-- | gprof/configure.in | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gprof/configure.in b/gprof/configure.in index a8bde47..7d6ca2c 100644 --- a/gprof/configure.in +++ b/gprof/configure.in @@ -29,6 +29,33 @@ CY_GNU_GETTEXT AM_MAINTAINER_MODE AC_EXEEXT +AC_CHECK_HEADERS(sys/gmon_out.h) + +AC_MSG_CHECKING(the size of gmon pointers) +AC_TRY_RUN([#include <stdio.h> +#include <stdlib.h> +#if HAVE_SYS_GMON_OUT_H +#include <sys/gmon_out.h> +#endif +main() +{ +#if HAVE_SYS_GMON_OUT_H + struct gmon_cg_arc_record arc; + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); + fprintf(f, "%d\n", sizeof(arc.from_pc)); + exit(0); +#else + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); + fprintf(f, "%d\n", (int) sizeof(char *)); + exit(1); +#endif +}], gmon_ptr_size=`cat conftestval`, gmon_ptr_size=4, gmon_ptr_size=4) +AC_MSG_RESULT($gmon_ptr_size) + +AC_DEFINE_UNQUOTED(GMON_PTR_SIZE, $gmon_ptr_size) + build_warnings="-W -Wall" AC_ARG_ENABLE(build-warnings, [ --enable-build-warnings Enable build-time compiler warnings if gcc is used], |