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annotate lto-plugin/configure.ac @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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1 AC_PREREQ(2.64)
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2 AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
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3 AC_CANONICAL_SYSTEM
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4 GCC_TOPLEV_SUBDIRS
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5 AM_INIT_AUTOMAKE([foreign no-dist])
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6 AM_MAINTAINER_MODE
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7 AC_ARG_WITH(libiberty,
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8 [AS_HELP_STRING([--with-libiberty=PATH],
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9 [specify the directory where to find libiberty [../libiberty]])],
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10 [], with_libiberty=../libiberty)
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11 AC_SUBST(with_libiberty)
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12 AC_USE_SYSTEM_EXTENSIONS
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13 AC_PROG_CC
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14 AC_SYS_LARGEFILE
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15 ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])
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16
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17 # Check whether -static-libgcc is supported.
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18 saved_LDFLAGS="$LDFLAGS"
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19 LDFLAGS="$LDFLAGS -static-libgcc"
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20 AC_MSG_CHECKING([for -static-libgcc])
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21 AC_LINK_IFELSE([
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22 int main() {}], [have_static_libgcc=yes], [have_static_libgcc=no])
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23 AC_MSG_RESULT($have_static_libgcc);
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24 LDFLAGS="$saved_LDFLAGS"
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25 # Need -Wc to get it through libtool.
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26 if test "x$have_static_libgcc" = xyes; then
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27 ac_lto_plugin_ldflags="-Wc,-static-libgcc"
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28 fi
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29 AC_SUBST(ac_lto_plugin_ldflags)
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30
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31 if test x"$host_subdir" = x.; then
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32 gcc_build_dir=../gcc
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33 else
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34 gcc_build_dir=../../$host_subdir/gcc
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35 fi
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36 AC_SUBST(gcc_build_dir)
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37
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38 # Used for constructing correct paths for offload compilers.
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39 accel_dir_suffix=
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40 real_target_noncanonical=${target_noncanonical}
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41 if test x"$enable_as_accelerator_for" != x; then
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42 accel_dir_suffix=/accel/${target_noncanonical}
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43 real_target_noncanonical=${enable_as_accelerator_for}
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44 fi
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45 AC_SUBST(accel_dir_suffix)
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46 AC_SUBST(real_target_noncanonical)
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47
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48 # Determine what GCC version number to use in filesystem paths.
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49 GCC_BASE_VER
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50
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51 AM_PROG_LIBTOOL
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
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52 ACX_LT_HOST_FLAGS
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53 AC_SUBST(target_noncanonical)
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
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54 AC_TYPE_INT64_T
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55 AC_TYPE_UINT64_T
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56 AC_HEADER_SYS_WAIT
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57 AC_CONFIG_FILES(Makefile)
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58 AC_CONFIG_HEADERS(config.h)
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59 AC_OUTPUT