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author | H.J. Lu <hjl.tools@gmail.com> | 2015-03-13 10:40:33 -0700 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2015-03-26 08:25:29 -0700 |
commit | 5ca28f792883afb409ae145666fc3662c3a3aed5 (patch) | |
tree | c7e7f508b52bdf5c6a1162cd30241275bbb89fd2 /zlib/configure.ac | |
parent | Skip gc-sections if relocation is incompatible (diff) | |
download | binutils-gdb-5ca28f792883afb409ae145666fc3662c3a3aed5.tar.gz binutils-gdb-5ca28f792883afb409ae145666fc3662c3a3aed5.tar.bz2 binutils-gdb-5ca28f792883afb409ae145666fc3662c3a3aed5.zip |
Import zlib from GCC
Diffstat (limited to 'zlib/configure.ac')
-rw-r--r-- | zlib/configure.ac | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/zlib/configure.ac b/zlib/configure.ac new file mode 100644 index 00000000000..fb8d943905e --- /dev/null +++ b/zlib/configure.ac @@ -0,0 +1,129 @@ +dnl Process this with autoconf to create configure + +AC_PREREQ(2.64) +AC_INIT +AC_CONFIG_SRCDIR([zlib.h]) + +AM_ENABLE_MULTILIB(, ..) + +AC_CANONICAL_SYSTEM + +# This works around an automake problem. +mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" +AC_SUBST(mkinstalldirs) + +AM_INIT_AUTOMAKE(zlib, 1.1.4) + +AM_MAINTAINER_MODE + +dnl We use these options to decide which functions to include. +AC_ARG_WITH(target-subdir, +[ --with-target-subdir=SUBDIR + configuring in a subdirectory]) + +if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then + COMPPATH=. +else + COMPPATH=.. +fi +AC_SUBST(COMPPATH) + +AC_ARG_WITH(cross-host, +[ --with-cross-host=HOST configuring with a cross compiler]) + +dnl Default to --enable-multilib +AC_ARG_ENABLE(multilib, +[ --enable-multilib build many library versions (default)], +[case "${enableval}" in + yes) multilib=yes ;; + no) multilib=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; + esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl + +AC_ARG_WITH(system-zlib, +[ --with-system-zlib use installed libz]) + +# Make sure we don't test executables when making cross-tools. +GCC_NO_EXECUTABLES + +# The same as in boehm-gc and libstdc++. Have to borrow it from there. +# We must force CC to /not/ be precious variables; otherwise +# the wrong, non-multilib-adjusted value will be used in multilibs. +# As a side effect, we have to subst CFLAGS ourselves. + +m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) +m4_define([_AC_ARG_VAR_PRECIOUS],[]) +AC_PROG_CC +m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) + +AC_SUBST(CFLAGS) + +AC_PROG_LIBTOOL + +# Find CPP now so that any conditional tests below won't do it and +# thereby make the resulting definitions conditional. +AC_PROG_CPP + +if test -n "$with_cross_host"; then + # We are being configured with a cross compiler. AC_REPLACE_FUNCS + # may not work correctly, because the compiler may not be able to + # link executables. + + # We assume newlib. This lets us hard-code the functions we know + # we'll have. + AC_DEFINE(HAVE_MEMCPY) + AC_DEFINE(HAVE_STRERROR) + + # We ignore --with-system-zlib in this case. + target_all=libzgcj.la +else + AC_FUNC_MMAP + AC_CHECK_FUNCS(memcpy strerror) + + if test "$with_system_zlib" = yes; then + AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la) + else + target_all=libzgcj.la + fi +fi + +AC_SUBST(target_all) + +AC_CHECK_HEADERS(unistd.h) + +if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + toolexecdir='$(exec_prefix)/$(target_alias)' + toolexeclibdir='$(toolexecdir)/lib' +else + toolexecdir='$(libdir)/gcc-lib/$(target_alias)' + toolexeclibdir='$(libdir)' +fi +if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then + multiosdir=/`$CC -print-multi-os-directory` + case $multiosdir in + /.) multiosdir= ;; # Avoid trailing /. + esac +else + multiosdir= +fi +toolexeclibdir=${toolexeclibdir}${multiosdir} +AC_SUBST(toolexecdir) +AC_SUBST(toolexeclibdir) + +AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir") + +if test "${multilib}" = "yes"; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +AC_ARG_ENABLE(host-shared, +[AS_HELP_STRING([--enable-host-shared], + [build host code as shared libraries])], +[PICFLAG=-fPIC], [PICFLAG=]) +AC_SUBST(PICFLAG) + +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT |