ICU-64260.0.1.tar.gz

[apple/icu.git] / icuSources / configure.ac

diff --git a/icuSources/configure.ac b/icuSources/configure.ac
index 7078d491fabb1acda2e57d981f1c7aa8c270f1b6..8cd270b0d63526e76189b6258370461fd57d37d6 100644 (file)
--- a/icuSources/configure.ac
+++ b/icuSources/configure.ac
@@ -16,6 +16,10 @@ AC_INIT([ICU],
         [International Components for Unicode],
         [http://icu-project.org])
 
+# Instruct Python to never write any byte code to the ICU source tree.
+PYTHONDONTWRITEBYTECODE=1
+export PYTHONDONTWRITEBYTECODE
+
 AC_CONFIG_MACRO_DIR([config/m4])
 AC_CONFIG_SRCDIR([common/unicode/utypes.h])
 
@@ -100,6 +104,16 @@ UCONFIG_CPPFLAGS=""
 # such as -std
 UCONFIG_CFLAGS=""
 
+# Check whether to install icu-config
+AC_ARG_ENABLE([icu-config],
+    AS_HELP_STRING([--enable-icu-config], [install icu-config]),
+        [case "${enableval}" in
+            yes) enable_icu_config=true ;;
+            no) enable_icu_config=false ;;
+            *) AC_MSG_ERROR([bad value '${enableval}' for --enable-icu-config]) ;;
+        esac], [enable_icu_config=true])
+AC_SUBST(INSTALL_ICU_CONFIG, [$enable_icu_config])
+
 # Check whether to build debug libraries
 AC_MSG_CHECKING([whether to build debug libraries])
 enabled=no
@@ -185,6 +199,10 @@ fi
 #AC_CHECK_PROG(AUTOCONF, autoconf, autoconf, true)
 #AC_CHECK_PROG(STRIP, strip, strip, true)
 
+# TODO(ICU-20301): Remove fallback to Python 2.
+AC_CHECK_PROGS(PYTHON, python3 "py -3" python "py")
+AC_SUBST(PYTHON)
+
 # Check for the platform make
 AC_PATH_PROGS(U_MAKE, gmake gnumake, make)
 AC_SUBST(U_MAKE)
@@ -517,19 +535,6 @@ if [[ "$GXX" = yes ]]; then
     fi
 fi
 
-AC_MSG_CHECKING([[if #include <atomic> works]])
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <atomic>]], [[]])], [ac_cv_header_atomic=yes], [ac_cv_header_atomic=no])
-AC_MSG_RESULT($ac_cv_header_atomic)
-if test $ac_cv_header_atomic = yes
-then
-       U_HAVE_ATOMIC=1
-else
-        U_HAVE_ATOMIC=0
-fi
-# Make this available via CPPFLAGS
-CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_ATOMIC=${U_HAVE_ATOMIC}"
-AC_SUBST(U_HAVE_ATOMIC)
-
 AC_LANG_POP([C++])
 
 # Always build ICU with multi-threading support.
@@ -1291,13 +1296,13 @@ fi
 # Now that we're done using CPPFLAGS etc. for tests, we can change it
 # for build.
 
-if test "${CC}" == "clang"; then
+if test "${CC}" = "clang"; then
    CLANGCFLAGS="-Qunused-arguments -Wno-parentheses-equality"
 else
    CLANGCFLAGS=""
 fi
 
-if test "${CXX}" == "clang++"; then
+if test "${CXX}" = "clang++"; then
    CLANGCXXFLAGS="-Qunused-arguments -Wno-parentheses-equality"
 else
    CLANGCXXFLAGS=""
@@ -1386,6 +1391,39 @@ AC_CONFIG_FILES([icudefs.mk \
                samples/cal/Makefile samples/layout/Makefile])
 AC_OUTPUT
 
+if test -z "$PYTHON";
+then
+    echo "" > data/rules.mk
+    echo "" > test/testdata/rules.mk
+else
+    if test -f "$srcdir/data/locales/root.txt";
+    then
+        echo "Spawning Python to generate data/rules.mk..."
+        PYTHONPATH="$srcdir/data" $PYTHON -m buildtool \
+            --mode gnumake \
+            --seqmode parallel \
+            --src_dir "$srcdir/data" \
+            --filter_file "$ICU_DATA_FILTER_FILE" \
+            $ICU_DATA_BUILDTOOL_OPTS \
+            > data/rules.mk
+        if test "$?" != "0"; then
+            AC_MSG_ERROR(Python failed to run; see above error.)
+        fi
+    else
+      echo "Not rebuilding data/rules.mk, assuming prebuilt data in data/in"
+      touch data/rules.mk
+    fi
+    echo "Spawning Python to generate test/testdata/rules.mk..."
+    PYTHONPATH="$srcdir/test/testdata:$srcdir/data" $PYTHON -m buildtool \
+        --mode gnumake \
+        --seqmode parallel \
+        --src_dir "$srcdir/test/testdata" \
+        > test/testdata/rules.mk
+    if test "$?" != "0"; then
+        AC_MSG_ERROR(Python failed to run; see above error.)
+    fi
+fi
+
 echo
 echo "ICU for C/C++ $VERSION is ready to be built."
 echo "=== Important Notes: ==="
@@ -1465,4 +1503,9 @@ then
         echo "## Expect build failures in the 'data', 'test', and other directories."
 fi
 
+if test -z "$PYTHON";
+then
+    echo "** Note: Python not found. You will not be able to build data from source or run tests."
+fi
+
 $as_unset _CXX_CXXSUFFIX