1.1 --- a/scripts/build/companion_libs/cloog.sh Sun Jul 17 18:29:35 2011 +0200
1.2 +++ b/scripts/build/companion_libs/cloog.sh Sun Jul 17 18:56:30 2011 +0200
1.3 @@ -4,7 +4,7 @@
1.4
1.5 do_cloog_get() { :; }
1.6 do_cloog_extract() { :; }
1.7 -do_cloog() { :; }
1.8 +do_cloog_for_host() { :; }
1.9
1.10 # Overide functions depending on configuration
1.11 if [ "${CT_CLOOG}" = "y" ]; then
1.12 @@ -33,25 +33,49 @@
1.13 fi
1.14 }
1.15
1.16 -do_cloog() {
1.17 +# Build CLooG/PPL for running on host
1.18 +do_cloog_for_host() {
1.19 + local -a cloog_opts
1.20 +
1.21 + CT_DoStep INFO "Installing CLooG/PPL for host"
1.22 + CT_mkdir_pushd "${CT_BUILD_DIR}/build-cloog-ppl-host-${CT_HOST}"
1.23 +
1.24 + cloog_opts+=( "host=${CT_HOST}" )
1.25 + cloog_opts+=( "prefix=${CT_COMPLIBS_DIR}" )
1.26 + cloog_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
1.27 + do_cloog_backend "${cloog_opts[@]}"
1.28 +
1.29 + CT_Popd
1.30 + CT_EndStep
1.31 +}
1.32 +
1.33 +# Build ClooG/PPL
1.34 +# Parameter : description : type : default
1.35 +# host : machine to run on : tuple : (none)
1.36 +# prefix : prefix to install into : dir : (none)
1.37 +# cflags : host cflags to use : string : (empty)
1.38 +do_cloog_backend() {
1.39 + local host
1.40 + local prefix
1.41 + local cflags
1.42 local cloog_src_dir="${CT_SRC_DIR}/cloog-ppl-${CT_CLOOG_VERSION}"
1.43 + local arg
1.44
1.45 - mkdir -p "${CT_BUILD_DIR}/build-cloog-ppl"
1.46 - cd "${CT_BUILD_DIR}/build-cloog-ppl"
1.47 -
1.48 - CT_DoStep INFO "Installing CLooG/ppl"
1.49 + for arg in "$@"; do
1.50 + eval "${arg// /\\ }"
1.51 + done
1.52
1.53 CT_DoLog EXTRA "Configuring CLooG/ppl"
1.54
1.55 CT_DoExecLog CFG \
1.56 - CFLAGS="${CT_CFLAGS_FOR_HOST}" \
1.57 + CFLAGS="${cflags}" \
1.58 LIBS="-lm" \
1.59 "${cloog_src_dir}/configure" \
1.60 --build=${CT_BUILD} \
1.61 - --host=${CT_HOST} \
1.62 - --prefix="${CT_COMPLIBS_DIR}" \
1.63 - --with-gmp="${CT_COMPLIBS_DIR}" \
1.64 - --with-ppl="${CT_COMPLIBS_DIR}" \
1.65 + --host=${host} \
1.66 + --prefix="${prefix}" \
1.67 + --with-gmp="${prefix}" \
1.68 + --with-ppl="${prefix}" \
1.69 --with-bits=gmp \
1.70 --with-host-libstdcxx='-lstdc++' \
1.71 --disable-shared \
1.72 @@ -67,8 +91,6 @@
1.73
1.74 CT_DoLog EXTRA "Installing CLooG/ppl"
1.75 CT_DoExecLog ALL make install-libLTLIBRARIES install-pkgincludeHEADERS
1.76 -
1.77 - CT_EndStep
1.78 }
1.79
1.80 fi # CT_CLOOG
2.1 --- a/scripts/build/companion_libs/gmp.sh Sun Jul 17 18:29:35 2011 +0200
2.2 +++ b/scripts/build/companion_libs/gmp.sh Sun Jul 17 18:56:30 2011 +0200
2.3 @@ -4,7 +4,7 @@
2.4
2.5 do_gmp_get() { :; }
2.6 do_gmp_extract() { :; }
2.7 -do_gmp() { :; }
2.8 +do_gmp_for_host() { :; }
2.9
2.10 # Overide functions depending on configuration
2.11 if [ "${CT_GMP}" = "y" ]; then
2.12 @@ -20,20 +20,45 @@
2.13 CT_Patch "gmp" "${CT_GMP_VERSION}"
2.14 }
2.15
2.16 -do_gmp() {
2.17 - mkdir -p "${CT_BUILD_DIR}/build-gmp"
2.18 - cd "${CT_BUILD_DIR}/build-gmp"
2.19 +# Build GMP for running on host
2.20 +do_gmp_for_host() {
2.21 + local -a gmp_opts
2.22
2.23 - CT_DoStep INFO "Installing GMP"
2.24 + CT_DoStep INFO "Installing GMP for host"
2.25 + CT_mkdir_pushd "${CT_BUILD_DIR}/build-gmp-host-${CT_HOST}"
2.26 +
2.27 + gmp_opts+=( "host=${CT_HOST}" )
2.28 + gmp_opts+=( "prefix=${CT_COMPLIBS_DIR}" )
2.29 + gmp_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
2.30 + do_gmp_backend "${gmp_opts[@]}"
2.31 +
2.32 + CT_Popd
2.33 + CT_EndStep
2.34 +}
2.35 +
2.36 +# Build GMP
2.37 +# Parameter : description : type : default
2.38 +# host : machine to run on : tuple : (none)
2.39 +# prefix : prefix to install into : dir : (none)
2.40 +# cflags : host cflags to use : string : (empty)
2.41 +do_gmp_backend() {
2.42 + local host
2.43 + local prefix
2.44 + local cflags
2.45 + local arg
2.46 +
2.47 + for arg in "$@"; do
2.48 + eval "${arg// /\\ }"
2.49 + done
2.50
2.51 CT_DoLog EXTRA "Configuring GMP"
2.52
2.53 CT_DoExecLog CFG \
2.54 - CFLAGS="${CT_CFLAGS_FOR_HOST} -fexceptions" \
2.55 + CFLAGS="${cflags} -fexceptions" \
2.56 "${CT_SRC_DIR}/gmp-${CT_GMP_VERSION}/configure" \
2.57 --build=${CT_BUILD} \
2.58 - --host=${CT_HOST} \
2.59 - --prefix="${CT_COMPLIBS_DIR}" \
2.60 + --host=${host} \
2.61 + --prefix="${prefix}" \
2.62 --enable-fft \
2.63 --enable-mpbsd \
2.64 --enable-cxx \
2.65 @@ -50,8 +75,6 @@
2.66
2.67 CT_DoLog EXTRA "Installing GMP"
2.68 CT_DoExecLog ALL make install
2.69 -
2.70 - CT_EndStep
2.71 }
2.72
2.73 fi # CT_GMP
3.1 --- a/scripts/build/companion_libs/libelf.sh Sun Jul 17 18:29:35 2011 +0200
3.2 +++ b/scripts/build/companion_libs/libelf.sh Sun Jul 17 18:56:30 2011 +0200
3.3 @@ -2,7 +2,7 @@
3.4
3.5 do_libelf_get() { :; }
3.6 do_libelf_extract() { :; }
3.7 -do_libelf() { :; }
3.8 +do_libelf_for_host() { :; }
3.9 do_libelf_for_target() { :; }
3.10
3.11 if [ "${CT_LIBELF}" = "y" -o "${CT_LIBELF_TARGET}" = "y" ]; then
3.12 @@ -21,32 +21,17 @@
3.13
3.14 if [ "${CT_LIBELF}" = "y" ]; then
3.15
3.16 -do_libelf() {
3.17 - CT_DoStep INFO "Installing libelf"
3.18 - mkdir -p "${CT_BUILD_DIR}/build-libelf"
3.19 - CT_Pushd "${CT_BUILD_DIR}/build-libelf"
3.20 +# Build libelf for running on host
3.21 +do_libelf_for_host() {
3.22 + local -a libelf_opts
3.23
3.24 - CT_DoLog EXTRA "Configuring libelf"
3.25 + CT_DoStep INFO "Installing libelf for host"
3.26 + CT_mkdir_pushd "${CT_BUILD_DIR}/build-libelf-host-${CT_HOST}"
3.27
3.28 - CT_DoExecLog CFG \
3.29 - CC="${CT_HOST}-gcc" \
3.30 - CFLAGS="-fPIC" \
3.31 - "${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure" \
3.32 - --build=${CT_BUILD} \
3.33 - --host=${CT_HOST} \
3.34 - --target=${CT_TARGET} \
3.35 - --prefix="${CT_COMPLIBS_DIR}" \
3.36 - --enable-compat \
3.37 - --enable-elf64 \
3.38 - --enable-extended-format \
3.39 - --disable-shared \
3.40 - --enable-static
3.41 -
3.42 - CT_DoLog EXTRA "Building libelf"
3.43 - CT_DoExecLog ALL make
3.44 -
3.45 - CT_DoLog EXTRA "Installing libelf"
3.46 - CT_DoExecLog ALL make install
3.47 + libelf_opts+=( "host=${CT_HOST}" )
3.48 + libelf_opts+=( "prefix=${CT_COMPLIBS_DIR}" )
3.49 + libelf_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
3.50 + do_libelf_backend "${libelf_opts[@]}"
3.51
3.52 CT_Popd
3.53 CT_EndStep
3.54 @@ -57,31 +42,16 @@
3.55 if [ "${CT_LIBELF_TARGET}" = "y" ]; then
3.56
3.57 do_libelf_for_target() {
3.58 + local -a libelf_opts
3.59 +
3.60 CT_DoStep INFO "Installing libelf for the target"
3.61 - mkdir -p "${CT_BUILD_DIR}/build-libelf-for-target"
3.62 - CT_Pushd "${CT_BUILD_DIR}/build-libelf-for-target"
3.63 + CT_mkdir_pushd "${CT_BUILD_DIR}/build-libelf-target-${CT_TARGET}"
3.64
3.65 - CT_DoLog EXTRA "Configuring libelf"
3.66 - CT_DoExecLog CFG \
3.67 - CC="${CT_TARGET}-gcc" \
3.68 - CFLAGS="-fPIC" \
3.69 - RANLIB="${CT_TARGET}-ranlib" \
3.70 - "${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure" \
3.71 - --build=${CT_BUILD} \
3.72 - --host=${CT_TARGET} \
3.73 - --target=${CT_TARGET} \
3.74 - --prefix=/usr \
3.75 - --enable-compat \
3.76 - --enable-elf64 \
3.77 - --enable-shared \
3.78 - --enable-extended-format \
3.79 - --enable-static
3.80 -
3.81 - CT_DoLog EXTRA "Building libelf"
3.82 - CT_DoExecLog ALL make
3.83 -
3.84 - CT_DoLog EXTRA "Installing libelf"
3.85 - CT_DoExecLog ALL make instroot="${CT_SYSROOT_DIR}" install
3.86 + libelf_opts+=( "destdir=${CT_SYSROOT_DIR}" )
3.87 + libelf_opts+=( "host=${CT_TARGET}" )
3.88 + libelf_opts+=( "prefix=/usr" )
3.89 + libelf_opts+=( "shared=y" )
3.90 + do_libelf_backend "${libelf_opts[@]}"
3.91
3.92 CT_Popd
3.93 CT_EndStep
3.94 @@ -89,4 +59,54 @@
3.95
3.96 fi # CT_LIBELF_TARGET
3.97
3.98 +# Build libelf
3.99 +# Parameter : description : type : default
3.100 +# destdir : out-of-tree install dir : string : /
3.101 +# host : machine to run on : tuple : (none)
3.102 +# prefix : prefix to install into : dir : (none)
3.103 +# cflags : host cflags to use : string : (empty)
3.104 +# shared : also buils shared lib : bool : n
3.105 +do_libelf_backend() {
3.106 + local destdir="/"
3.107 + local host
3.108 + local prefix
3.109 + local cflags
3.110 + local shared
3.111 + local -a extra_config
3.112 + local arg
3.113 +
3.114 + for arg in "$@"; do
3.115 + eval "${arg// /\\ }"
3.116 + done
3.117 +
3.118 + CT_DoLog EXTRA "Configuring libelf"
3.119 +
3.120 + if [ "${shared}" = "y" ]; then
3.121 + extra_config+=( --enable-shared )
3.122 + else
3.123 + extra_config+=( --disable-shared )
3.124 + fi
3.125 +
3.126 + CT_DoExecLog CFG \
3.127 + CC="${host}-gcc" \
3.128 + RANLIB="${host}-ranlib" \
3.129 + CFLAGS="${cflags} -fPIC" \
3.130 + "${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure" \
3.131 + --build=${CT_BUILD} \
3.132 + --host=${host} \
3.133 + --target=${CT_TARGET} \
3.134 + --prefix="${prefix}" \
3.135 + --enable-compat \
3.136 + --enable-elf64 \
3.137 + --enable-extended-format \
3.138 + --enable-static \
3.139 + "${extra_config[@]}"
3.140 +
3.141 + CT_DoLog EXTRA "Building libelf"
3.142 + CT_DoExecLog ALL make
3.143 +
3.144 + CT_DoLog EXTRA "Installing libelf"
3.145 + CT_DoExecLog ALL make instroot="${destdir}" install
3.146 +}
3.147 +
3.148 fi # CT_LIBELF || CT_LIBELF_TARGET
4.1 --- a/scripts/build/companion_libs/mpc.sh Sun Jul 17 18:29:35 2011 +0200
4.2 +++ b/scripts/build/companion_libs/mpc.sh Sun Jul 17 18:56:30 2011 +0200
4.3 @@ -4,7 +4,7 @@
4.4
4.5 do_mpc_get() { :; }
4.6 do_mpc_extract() { :; }
4.7 -do_mpc() { :; }
4.8 +do_mpc_for_host() { :; }
4.9
4.10 # Overide functions depending on configuration
4.11 if [ "${CT_MPC}" = "y" ]; then
4.12 @@ -21,22 +21,47 @@
4.13 CT_Patch "mpc" "${CT_MPC_VERSION}"
4.14 }
4.15
4.16 -do_mpc() {
4.17 - mkdir -p "${CT_BUILD_DIR}/build-mpc"
4.18 - cd "${CT_BUILD_DIR}/build-mpc"
4.19 +# Build MPC for running on host
4.20 +do_mpc_for_host() {
4.21 + local -a mpc_opts
4.22
4.23 - CT_DoStep INFO "Installing MPC"
4.24 + CT_DoStep INFO "Installing MPC for host"
4.25 + CT_mkdir_pushd "${CT_BUILD_DIR}/build-mpc-host-${CT_HOST}"
4.26 +
4.27 + mpc_opts+=( "host=${CT_HOST}" )
4.28 + mpc_opts+=( "prefix=${CT_COMPLIBS_DIR}" )
4.29 + mpc_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
4.30 + do_mpc_backend "${mpc_opts[@]}"
4.31 +
4.32 + CT_Popd
4.33 + CT_EndStep
4.34 +}
4.35 +
4.36 +# Build MPC
4.37 +# Parameter : description : type : default
4.38 +# host : machine to run on : tuple : (none)
4.39 +# prefix : prefix to install into : dir : (none)
4.40 +# cflags : host cflags to use : string : (empty)
4.41 +do_mpc_backend() {
4.42 + local host
4.43 + local prefix
4.44 + local cflags
4.45 + local arg
4.46 +
4.47 + for arg in "$@"; do
4.48 + eval "${arg// /\\ }"
4.49 + done
4.50
4.51 CT_DoLog EXTRA "Configuring MPC"
4.52
4.53 CT_DoExecLog CFG \
4.54 - CFLAGS="${CT_CFLAGS_FOR_HOST}" \
4.55 + CFLAGS="${cflags}" \
4.56 "${CT_SRC_DIR}/mpc-${CT_MPC_VERSION}/configure" \
4.57 --build=${CT_BUILD} \
4.58 - --host=${CT_HOST} \
4.59 - --prefix="${CT_COMPLIBS_DIR}" \
4.60 - --with-gmp="${CT_COMPLIBS_DIR}" \
4.61 - --with-mpfr="${CT_COMPLIBS_DIR}" \
4.62 + --host=${host} \
4.63 + --prefix="${prefix}" \
4.64 + --with-gmp="${prefix}" \
4.65 + --with-mpfr="${prefix}" \
4.66 --disable-shared \
4.67 --enable-static
4.68
4.69 @@ -50,8 +75,6 @@
4.70
4.71 CT_DoLog EXTRA "Installing MPC"
4.72 CT_DoExecLog ALL make install
4.73 -
4.74 - CT_EndStep
4.75 }
4.76
4.77 fi # CT_MPC
5.1 --- a/scripts/build/companion_libs/mpfr.sh Sun Jul 17 18:29:35 2011 +0200
5.2 +++ b/scripts/build/companion_libs/mpfr.sh Sun Jul 17 18:56:30 2011 +0200
5.3 @@ -4,7 +4,7 @@
5.4
5.5 do_mpfr_get() { :; }
5.6 do_mpfr_extract() { :; }
5.7 -do_mpfr() { :; }
5.8 +do_mpfr_for_host() { :; }
5.9
5.10 # Overide function depending on configuration
5.11 if [ "${CT_MPFR}" = "y" ]; then
5.12 @@ -63,11 +63,36 @@
5.13 esac
5.14 }
5.15
5.16 -do_mpfr() {
5.17 - mkdir -p "${CT_BUILD_DIR}/build-mpfr"
5.18 - cd "${CT_BUILD_DIR}/build-mpfr"
5.19 +# Build MPFR for running on host
5.20 +do_mpfr_for_host() {
5.21 + local -a mpfr_opts
5.22
5.23 - CT_DoStep INFO "Installing MPFR"
5.24 + CT_DoStep INFO "Installing MPFR for host"
5.25 + CT_mkdir_pushd "${CT_BUILD_DIR}/build-mpfr-host-${CT_HOST}"
5.26 +
5.27 + mpfr_opts+=( "host=${CT_HOST}" )
5.28 + mpfr_opts+=( "prefix=${CT_COMPLIBS_DIR}" )
5.29 + mpfr_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
5.30 + do_mpfr_backend "${mpfr_opts[@]}"
5.31 +
5.32 + CT_Popd
5.33 + CT_EndStep
5.34 +}
5.35 +
5.36 +# Build MPFR
5.37 +# Parameter : description : type : default
5.38 +# host : machine to run on : tuple : (none)
5.39 +# prefix : prefix to install into : dir : (none)
5.40 +# cflags : host cflags to use : string : (empty)
5.41 +do_mpfr_backend() {
5.42 + local host
5.43 + local prefix
5.44 + local cflags
5.45 + local arg
5.46 +
5.47 + for arg in "$@"; do
5.48 + eval "${arg// /\\ }"
5.49 + done
5.50
5.51 # Under Cygwin, we can't build a thread-safe library
5.52 case "${CT_HOST}" in
5.53 @@ -77,16 +102,15 @@
5.54 *) mpfr_opts+=( --enable-thread-safe );;
5.55 esac
5.56
5.57 -
5.58 CT_DoLog EXTRA "Configuring MPFR"
5.59 CT_DoExecLog CFG \
5.60 - CC="${CT_HOST}-gcc" \
5.61 + CC="${host}-gcc" \
5.62 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
5.63 "${CT_SRC_DIR}/mpfr-${CT_MPFR_VERSION}/configure" \
5.64 --build=${CT_BUILD} \
5.65 - --host=${CT_HOST} \
5.66 - --prefix="${CT_COMPLIBS_DIR}" \
5.67 - --with-gmp="${CT_COMPLIBS_DIR}" \
5.68 + --host=${host} \
5.69 + --prefix="${prefix}" \
5.70 + --with-gmp="${prefix}" \
5.71 --disable-shared \
5.72 --enable-static
5.73
5.74 @@ -100,8 +124,6 @@
5.75
5.76 CT_DoLog EXTRA "Installing MPFR"
5.77 CT_DoExecLog ALL make install
5.78 -
5.79 - CT_EndStep
5.80 }
5.81
5.82 fi # CT_MPFR
6.1 --- a/scripts/build/companion_libs/ppl.sh Sun Jul 17 18:29:35 2011 +0200
6.2 +++ b/scripts/build/companion_libs/ppl.sh Sun Jul 17 18:56:30 2011 +0200
6.3 @@ -4,7 +4,7 @@
6.4
6.5 do_ppl_get() { :; }
6.6 do_ppl_extract() { :; }
6.7 -do_ppl() { :; }
6.8 +do_ppl_for_host() { :; }
6.9
6.10 # Overide functions depending on configuration
6.11 if [ "${CT_PPL}" = "y" ]; then
6.12 @@ -23,25 +23,49 @@
6.13 CT_Patch "ppl" "${CT_PPL_VERSION}"
6.14 }
6.15
6.16 -do_ppl() {
6.17 - mkdir -p "${CT_BUILD_DIR}/build-ppl"
6.18 - cd "${CT_BUILD_DIR}/build-ppl"
6.19 +# Build PPL for running on host
6.20 +do_ppl_for_host() {
6.21 + local -a ppl_opts
6.22
6.23 - CT_DoStep INFO "Installing PPL"
6.24 + CT_DoStep INFO "Installing PPL for host"
6.25 + CT_mkdir_pushd "${CT_BUILD_DIR}/build-ppl-host-${CT_HOST}"
6.26 +
6.27 + ppl_opts+=( "host=${CT_HOST}" )
6.28 + ppl_opts+=( "prefix=${CT_COMPLIBS_DIR}" )
6.29 + ppl_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
6.30 + do_ppl_backend "${ppl_opts[@]}"
6.31 +
6.32 + CT_Popd
6.33 + CT_EndStep
6.34 +}
6.35 +
6.36 +# Build PPL
6.37 +# Parameter : description : type : default
6.38 +# host : machine to run on : tuple : (none)
6.39 +# prefix : prefix to install into : dir : (none)
6.40 +# cflags : host cflags to use : string : (empty)
6.41 +do_ppl_backend() {
6.42 + local host
6.43 + local prefix
6.44 + local cflags
6.45 + local arg
6.46 +
6.47 + for arg in "$@"; do
6.48 + eval "${arg// /\\ }"
6.49 + done
6.50
6.51 CT_DoLog EXTRA "Configuring PPL"
6.52
6.53 -
6.54 CT_DoExecLog CFG \
6.55 - CFLAGS="${CT_CFLAGS_FOR_HOST}" \
6.56 - CXXFLAGS="${CT_CFLAGS_FOR_HOST}" \
6.57 + CFLAGS="${cflags}" \
6.58 + CXXFLAGS="${cflags}" \
6.59 "${CT_SRC_DIR}/ppl-${CT_PPL_VERSION}/configure" \
6.60 --build=${CT_BUILD} \
6.61 - --host=${CT_HOST} \
6.62 - --prefix="${CT_COMPLIBS_DIR}" \
6.63 - --with-libgmp-prefix="${CT_COMPLIBS_DIR}" \
6.64 - --with-libgmpxx-prefix="${CT_COMPLIBS_DIR}" \
6.65 - --with-gmp-prefix="${CT_COMPLIBS_DIR}" \
6.66 + --host=${host} \
6.67 + --prefix="${prefix}" \
6.68 + --with-libgmp-prefix="${prefix}" \
6.69 + --with-libgmpxx-prefix="${prefix}" \
6.70 + --with-gmp-prefix="${prefix}" \
6.71 --enable-watchdog \
6.72 --disable-debugging \
6.73 --disable-assertions \
6.74 @@ -66,9 +90,7 @@
6.75 CT_DoExecLog ALL make install
6.76
6.77 # Remove spuriously installed file
6.78 - CT_DoExecLog ALL rm -f "${CT_PREFIX_DIR}/bin/ppl-config"
6.79 -
6.80 - CT_EndStep
6.81 + CT_DoExecLog ALL rm -f "${prefix}/bin/ppl-config"
6.82 }
6.83
6.84 fi # CT_PPL
7.1 --- a/steps.mk Sun Jul 17 18:29:35 2011 +0200
7.2 +++ b/steps.mk Sun Jul 17 18:56:30 2011 +0200
7.3 @@ -17,12 +17,12 @@
7.4 # Please keep the last line with a '\' and keep the following empy line:
7.5 # it helps when diffing and merging.
7.6 CT_STEPS := libc_check_config \
7.7 - gmp \
7.8 - mpfr \
7.9 - ppl \
7.10 - cloog \
7.11 - mpc \
7.12 - libelf \
7.13 + gmp_for_host \
7.14 + mpfr_for_host \
7.15 + ppl_for_host \
7.16 + cloog_for_host \
7.17 + mpc_for_host \
7.18 + libelf_for_host \
7.19 binutils_for_host \
7.20 elf2flt_for_host \
7.21 sstrip_for_host \