AC_INIT([libctf library], 1.2.0-pre)
AC_CONFIG_SRCDIR(ctf-impl.h)
AC_CONFIG_MACRO_DIR(../config)
+AC_CONFIG_MACRO_DIR(../bfd)
AC_USE_SYSTEM_EXTENSIONS
AM_INIT_AUTOMAKE
AC_PROG_RANLIB
AM_PROG_AR
+dnl Default to a non shared library. This may be overridden by the
+dnl configure option --enable-shared.
+AC_DISABLE_SHARED
+
+LT_INIT
AC_SYS_LARGEFILE
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
AM_MAINTAINER_MODE
+AM_INSTALL_LIBBFD
ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_libctf_warn_cflags])
AC_FUNC_MMAP
+# Needed for BFD capability checks.
AC_SEARCH_LIBS(dlopen, dl)
AM_ZLIB
AC_C_BIGENDIAN
AC_CHECK_HEADERS(byteswap.h endian.h)
AC_CHECK_FUNCS(pread)
-AC_CHECK_DECLS([qsort_r])
-AC_LIBOBJ([qsort_r])
+
+dnl Check for qsort_r. (Taken from gnulib.)
+AC_CHECK_FUNCS_ONCE([qsort_r])
+if test $ac_cv_func_qsort_r = yes; then
+ AC_CACHE_CHECK([for qsort_r signature], [ac_cv_libctf_qsort_r_signature],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#undef qsort_r
+ #include <stdlib.h>
+ void qsort_r (void *, size_t, size_t,
+ int (*) (void const *, void const *,
+ void *),
+ void *);
+ void (*p) (void *, size_t, size_t,
+ int (*) (void const *, void const *,
+ void *),
+ void *) = qsort_r;
+ ]])],
+ [ac_cv_libctf_qsort_r_signature=GNU],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#undef qsort_r
+ #include <stdlib.h>
+ void qsort_r (void *, size_t, size_t, void *,
+ int (*) (void *,
+ void const *,
+ void const *));
+ void (*p) (void *, size_t, size_t, void *,
+ int (*) (void *, void const *,
+ void const *)) = qsort_r;
+ ]])],
+ [ac_cv_libctf_qsort_r_signature=BSD],
+ [ac_cv_libctf_qsort_r_signature=unknown])])])
+fi
+
+case x$ac_cv_libctf_qsort_r_signature in
+ xGNU) AC_DEFINE([HAVE_QSORT_R_ARG_LAST], 1,
+ [Whether a qsort_r exists with a void *arg as its last arg.]);;
+ xBSD) AC_DEFINE([HAVE_QSORT_R_COMPAR_LAST], 1,
+ [Whether a qsort_r exists with the compar function as its last arg.]);;
+ *) ac_cv_libctf_qsort_r_signature=unknown;;
+esac
+
+AM_CONDITIONAL(NEED_CTF_QSORT_R, test "${ac_cv_libctf_qsort_r_signature}" = unknown)
+
+AC_CACHE_CHECK([for O_CLOEXEC], [ac_cv_libctf_macro_O_CLOEXEC],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#include <fcntl.h>
+ #ifndef O_CLOEXEC
+ choke me;
+ #endif
+ ]],
+ [[return O_CLOEXEC;]])],
+ [ac_cv_libctf_macro_O_CLOEXEC=yes],
+ [ac_cv_libctf_macro_O_CLOEXEC=no])])
+
+if test $ac_cv_libctf_macro_O_CLOEXEC = yes; then
+ AC_DEFINE([HAVE_O_CLOEXEC], 1,
+ [Whether the platform has a definition of O_CLOEXEC.])
+fi
+
+# Horrible hacks to build DLLs on Windows and a shared library elsewhere.
+SHARED_LIBADD=
+SHARED_LDFLAGS=
+BFD_LIBADD=
+BFD_DEPENDENCIES=
+if test "$enable_shared" = "yes"; then
+# When building a shared libctf, link against the pic version of libiberty
+# so that apps that use libctf won't need libiberty just to satisfy any
+# libctf references.
+# We can't do that if a pic libiberty is unavailable since including non-pic
+# code would insert text relocations into libctf.
+# Note that linking against libbfd as we do here, which is itself linked
+# against libiberty, may not satisfy all the libctf libiberty references
+# since libbfd may not pull in the entirety of libiberty.
+changequote(,)dnl
+ x=`sed -n -e 's/^[ ]*PICFLAG[ ]*=[ ]*//p' < ../libiberty/Makefile | sed -n '$p'`
+changequote([,])dnl
+ if test -n "$x"; then
+ SHARED_LIBADD="-L`pwd`/../libiberty/pic -liberty"
+ fi
+
+ case "${host}" in
+ # More hacks to build DLLs on Windows.
+ *-*-cygwin*)
+ SHARED_LDFLAGS="-no-undefined"
+ SHARED_LIBADD="-L`pwd`/../libiberty -liberty -L`pwd`/../intl -lintl -lcygwin"
+ BFD_LIBADD="-L`pwd`/../bfd -lbfd"
+ ;;
+
+ *-*-darwin*)
+ BFD_LIBADD="-Wl,`pwd`/../bfd/.libs/libbfd.dylib"
+ BFD_DEPENDENCIES="../bfd/libbfd.la"
+ ;;
+ *)
+ case "$host_vendor" in
+ hp)
+ BFD_LIBADD="-Wl,`pwd`/../bfd/.libs/libbfd.sl"
+ ;;
+ *)
+ BFD_LIBADD="-Wl,`pwd`/../bfd/.libs/libbfd.so"
+ ;;
+ esac
+ BFD_DEPENDENCIES="../bfd/libbfd.la"
+ ;;
+ esac
+fi
+AC_SUBST(SHARED_LDFLAGS)
+AC_SUBST(SHARED_LIBADD)
+AC_SUBST(BFD_LIBADD)
+AC_SUBST(BFD_DEPENDENCIES)
+
+# Use a version script, if possible, or an -export-symbols-regex otherwise.
+VERSION_FLAGS='-export-symbols-regex ctf_.*'
+if $LD --help 2>&1 | grep -- --version-script >/dev/null; then
+ VERSION_FLAGS="-Wl,--version-script='$srcdir/libctf.ver'"
+fi
+AC_SUBST(VERSION_FLAGS)
AC_CONFIG_FILES(Makefile)
AC_CONFIG_HEADERS(config.h)
projects / deliverable / binutils-gdb.git / blobdiff