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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.57)
AC_INIT(ltrace,0.3.36,[Juan Cespedes <cespedes@debian.org>])
AC_CONFIG_SRCDIR(ltrace.c)
AC_CONFIG_HEADER(config.h)
dnl Check host system type
AC_CANONICAL_HOST
HOST_OS="$host_os"
AC_SUBST(HOST_OS)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
dnl Checks for libraries.
AC_CHECK_LIB(iberty, cplus_demangle,,,)
AC_CHECK_LIB(supc++, __cxa_demangle,,,)
dnl
dnl The following stuff may be useful, but I don't use it now.
dnl
dnl dnl Checks for header files.
AC_HEADER_STDC
dnl AC_HEADER_SYS_WAIT
dnl AC_CHECK_HEADERS(fcntl.h limits.h sys/time.h unistd.h)
AC_CHECK_HEADERS(getopt.h)
dnl
dnl dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_UID_T
AC_TYPE_PID_T
dnl AC_HEADER_TIME
dnl AC_STRUCT_TM
dnl
dnl dnl Checks for library functions.
dnl AC_FUNC_MMAP
dnl AC_TYPE_SIGNAL
dnl AC_FUNC_VPRINTF
dnl AC_CHECK_FUNCS(gettimeofday strdup strerror strspn)
AC_CHECK_FUNCS(getopt getopt_long)
for path in /usr/include/elfutils /usr/local/include/elfutils \
/usr/include/libelf /usr/local/include/libelf; do
if test -f ${path}/gelf.h; then
CPPFLAGS="$CPPFLAGS -I ${path}"
fi
done
AC_CHECK_HEADER(gelf.h,,AC_MSG_ERROR([***** gelf.h not found *****]))
AC_CHECK_LIB(elf,gelf_getdyn)
ac_cv_have_iquote=no
AC_MSG_CHECKING(compiler accepts -iquote dir)
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -iquote ."
AC_TRY_COMPILE(,,[ac_cv_have_iquote=yes])
CPPFLAGS="$save_CPPFLAGS"
AC_MSG_RESULT($ac_cv_have_iquote)
if test $ac_cv_have_iquote = yes; then
iquote="-iquote "
iquoteend=""
else
iquote="-I "
iquoteend="-I-"
fi
AC_SUBST(iquote)
AC_SUBST(iquoteend)
ac_cv_have_elf_c_read_mmap=no
AC_MSG_CHECKING(elf_begin accepts ELF_C_READ_MMAP)
AC_TRY_COMPILE([#include <gelf.h>],
[Elf *elf = elf_begin (4, ELF_C_READ_MMAP, 0);],
[ac_cv_have_elf_c_read_mmap=yes])
AC_MSG_RESULT($ac_cv_have_elf_c_read_mmap)
if test $ac_cv_have_elf_c_read_mmap = yes; then
AC_DEFINE(HAVE_ELF_C_READ_MMAP, 1,
[Defined if ELF_C_READ_MMAP is valid argument for elf_begin])
dnl This is not 100% correct, but all elfutils installations
dnl are built with LFS, while AFAIK all Michael Riepe's libelfs
dnl are built without LFS. It is important that LFS setting
dnl of libelf and ltrace matches.
AC_SYS_LARGEFILE
fi
AC_OUTPUT(Makefile)
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