complibs: add ISL

ISL is used by gcc-4.8 onward for GRAPHITE, so is also used as
backend for CLooG 0.18.0 onward.

Reported-by: "Plotnikov Dmitry" <leitz@ispras.ru>
[Dmitry did a preliminray patch to add ISL, which this one is inspired from]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

3 files changed, 160 insertions, 0 deletions

diff --git a/config/companion_libs.in b/config/companion_libs.in
index d4996a6..eb0800b 100644
--- a/config/companion_libs.in
+++ b/config/companion_libs.in
@@ -22,6 +22,11 @@ config PPL_NEEDED
     select PPL
     select COMPLIBS_NEEDED
 
+config ISL_NEEDED
+    bool
+    select ISL
+    select COMPLIBS_NEEDED
+
 config CLOOG_NEEDED
     bool
     select CLOOG
@@ -54,6 +59,11 @@ config PPL
     select GMP
     select COMPLIBS
 
+config ISL
+    bool
+    select GMP
+    select COMPLIBS
+
 config CLOOG
     bool
     select GMP
@@ -82,6 +92,9 @@ endif
 if PPL
 source "config/companion_libs/ppl.in"
 endif
+if ISL
+source "config/companion_libs/isl.in"
+endif
 if CLOOG
 source "config/companion_libs/cloog.in"
 endif
diff --git a/config/companion_libs/isl.in b/config/companion_libs/isl.in
new file mode 100644
index 0000000..51854c8
--- /dev/null
+++ b/config/companion_libs/isl.in
@@ -0,0 +1,19 @@
+# ISL options
+
+choice
+    bool
+    prompt "ISL version"
+# Don't remove next line
+# CT_INSERT_VERSION_BELOW
+
+config ISL_V_0_11_1
+    bool
+    prompt "0.11.1"
+
+endchoice
+
+config ISL_VERSION
+    string
+# Don't remove next line
+# CT_INSERT_VERSION_STRING_BELOW
+    default "0.11.1" if ISL_V_0_11_1
diff --git a/scripts/build/companion_libs/121-isl.sh b/scripts/build/companion_libs/121-isl.sh
new file mode 100644
index 0000000..1d3c049
--- /dev/null
+++ b/scripts/build/companion_libs/121-isl.sh
@@ -0,0 +1,128 @@
+# This file adds the functions to build the ISL library
+# Copyright 2009 Yann E. MORIN
+# Licensed under the GPL v2. See COPYING in the root of this package
+
+do_isl_get() { :; }
+do_isl_extract() { :; }
+do_isl_for_build() { :; }
+do_isl_for_host() { :; }
+
+# Overide functions depending on configuration
+if [ "${CT_ISL}" = "y" ]; then
+
+# Download ISL
+do_isl_get() {
+    CT_GetFile "isl-${CT_ISL_VERSION}"  \
+        ftp://ftp.linux.student.kuleuven.be/pub/people/skimo/isl/
+}
+
+# Extract ISL
+do_isl_extract() {
+    CT_Extract "isl-${CT_ISL_VERSION}"
+    CT_Patch "isl" "${CT_ISL_VERSION}"
+}
+
+# Build ISL for running on build
+# - always build statically
+# - we do not have build-specific CFLAGS
+# - install in build-tools prefix
+do_isl_for_build() {
+    local -a isl_opts
+    local isl_cflags
+    local isl_cxxflags
+
+    case "${CT_TOOLCHAIN_TYPE}" in
+        native|cross)   return 0;;
+    esac
+
+    CT_DoStep INFO "Installing ISL for build"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-isl-build-${CT_BUILD}"
+
+    isl_cflags="${CT_CFLAGS_FOR_BUILD}"
+    isl_cxxflags="${CT_CFLAGS_FOR_BUILD}"
+
+    isl_opts+=( "host=${CT_BUILD}" )
+    isl_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
+    isl_opts+=( "cflags=${isl_cflags}" )
+    isl_opts+=( "cxxflags=${isl_cxxflags}" )
+    isl_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
+    do_isl_backend "${isl_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
+# Build ISL for running on host
+do_isl_for_host() {
+    local -a isl_opts
+    local isl_cflags
+    local isl_cxxflags
+
+    CT_DoStep INFO "Installing ISL for host"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-isl-host-${CT_HOST}"
+
+    isl_cflags="${CT_CFLAGS_FOR_HOST}"
+    isl_cxxflags="${CT_CFLAGS_FOR_HOST}"
+
+    isl_opts+=( "host=${CT_HOST}" )
+    isl_opts+=( "prefix=${CT_HOST_COMPLIBS_DIR}" )
+    isl_opts+=( "cflags=${isl_cflags}" )
+    isl_opts+=( "cxxflags=${isl_cxxflags}" )
+    isl_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
+    do_isl_backend "${isl_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
+# Build ISL
+#     Parameter     : description               : type      : default
+#     host          : machine to run on         : tuple     : (none)
+#     prefix        : prefix to install into    : dir       : (none)
+#     cflags        : cflags to use             : string    : (empty)
+#     ldflags       : ldflags to use            : string    : (empty)
+do_isl_backend() {
+    local host
+    local prefix
+    local cflags
+    local cxxflags
+    local ldflags
+    local arg
+
+    for arg in "$@"; do
+        eval "${arg// /\\ }"
+    done
+
+    CT_DoLog EXTRA "Configuring ISL"
+
+    CT_DoExecLog CFG                                \
+    CFLAGS="${cflags}"                              \
+    CXXFLAGS="${cxxflags}"                          \
+    LDFLAGS="${ldflags}"                            \
+    "${CT_SRC_DIR}/isl-${CT_ISL_VERSION}/configure" \
+        --build=${CT_BUILD}                         \
+        --host=${host}                              \
+        --prefix="${prefix}"                        \
+        --with-libgmp-prefix="${prefix}"            \
+        --with-libgmpxx-prefix="${prefix}"          \
+        --with-gmp-prefix="${prefix}"               \
+        --disable-shared                            \
+        --enable-static                             \
+        --with-gmp=system                           \
+        --with-gmp-prefix="${prefix}"               \
+        --with-piplib=no                            \
+        --with-clang=no
+
+    CT_DoLog EXTRA "Building ISL"
+    CT_DoExecLog ALL make ${JOBSFLAGS}
+
+    if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then
+        CT_DoLog EXTRA "Checking ISL"
+        CT_DoExecLog ALL make ${JOBSFLAGS} -s check
+    fi
+
+    CT_DoLog EXTRA "Installing ISL"
+    CT_DoExecLog ALL make install
+}
+
+fi # CT_ISL