From e0d6839c8cdb0931940904e19cef2dea6fb8333b Mon Sep 17 00:00:00 2001
From: q66 <daniel@octaforge.org>
Date: Mon, 6 Mar 2017 03:28:28 +0100
Subject: [PATCH] add build.sh to build ostd stuff

---
 Makefile |  23 --------
 build.sh | 165 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 165 insertions(+), 23 deletions(-)
 delete mode 100644 Makefile
 create mode 100755 build.sh

diff --git a/Makefile b/Makefile
deleted file mode 100644
index 5a0e04c..0000000
--- a/Makefile
+++ /dev/null
@@ -1,23 +0,0 @@
-OSTD_CXXFLAGS = -O2 -g -std=c++1z -Wall -Wextra -Wshadow -Wold-style-cast -I.
-
-EXAMPLES_OBJ = \
-	examples/format \
-	examples/listdir \
-	examples/range \
-	examples/range_pipe \
-	examples/signal \
-	examples/stream1 \
-	examples/stream2
-
-all: examples
-
-examples: $(EXAMPLES_OBJ)
-
-.cc:
-	$(CXX) $(CXXFLAGS) $(OSTD_CXXFLAGS) -o $@ $<
-
-test: test_runner
-	@./test_runner
-
-clean:
-	rm -f $(EXAMPLES_OBJ) test_runner
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..39bbd5b
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,165 @@
+#!/bin/sh
+
+# fail on error
+set -e
+
+# example sources
+EXAMPLES="format listdir range range_pipe signal stream1 stream2"
+
+# assembly sources
+ASM_SOURCES="jump_all_gas make_all_gas ontop_all_gas"
+ASM_LIB="context.a"
+
+# compiler
+if [ -z "$CXX" ]; then
+    CXX="c++"
+fi
+
+# preprocessor
+if [ -z "$CPP" ]; then
+    CPP="cpp"
+fi
+
+# assembler
+if [ -z "$AS" ]; then
+    AS="as"
+fi
+
+# ar
+if [ -z "$AR" ]; then
+    AR="ar"
+fi
+
+# c++ standard
+OSTD_CXXFLAGS="-std=c++1z"
+
+# includes
+OSTD_CXXFLAGS="${OSTD_CXXFLAGS} -I."
+
+# optimization flags
+OSTD_CXXFLAGS="${OSTD_CXXFLAGS} -O2"
+
+# warnings
+OSTD_CXXFLAGS="${OSTD_CXXFLAGS} -Wall -Wextra -Wshadow -Wold-style-cast"
+
+# custom cxxflags
+if [ ! -z "$CXXFLAGS" ]; then
+    OSTD_CXXFLAGS="${OSTD_CXXFLAGS} ${CXXFLAGS}"
+fi
+
+# preprocessor flags
+OSTD_CPPFLAGS=""
+
+# custom cppflags
+if [ ! -z "$CPPFLAGS" ]; then
+    OSTD_CPPFLAGS="${OSTD_CPPFLAGS} ${CPPFLAGS}"
+fi
+
+# linker flags
+OSTD_LDFLAGS=""
+
+# custom linker flags
+if [ ! -z "$LDFLAGS" ]; then
+    OSTD_LDFLAGS="${OSTD_LDFLAGS} ${LDFLAGS}"
+fi
+
+# assembler flags
+OSTD_ASFLAGS=""
+
+# custom assembler flags
+if [ ! -z "$LDFLAGS" ]; then
+    OSTD_LDFLAGS="${OSTD_LDFLAGS} ${LDFLAGS}"
+fi
+
+#
+# BUILD LOGIC
+#
+
+# clean everything
+clean() {
+    echo "Cleaning..."
+    for ex in ${EXAMPLES}; do
+        rm -f "examples/${ex}" "examples/${ex}.o"
+    done
+    for as in ${ASM_SOURCES}; do
+        rm -f "${as}.o"
+    done
+    rm -f "$ASM_LIB"
+    rm -f test_runner.o test_runner
+}
+
+# call_cxx input output
+call_cxx() {
+    echo "CXX: $1"
+    eval "${CXX} ${OSTD_CPPFLAGS} ${OSTD_CXXFLAGS} -c -o ${2} ${1}"
+}
+
+# call_as input output
+call_as() {
+    echo "AS: src/asm/${1}"
+    eval "${CPP} -x assembler-with-cpp \"src/asm/${1}\" | ${AS} -o \"${2}\""
+}
+
+# call_ld output file1 file2 ...
+call_ld() {
+    echo "LD: $1"
+    eval "${CXX} ${OSTD_CPPFLAGS} ${OSTD_CXXFLAGS} ${OSTD_LDFLAGS} -o $@"
+}
+
+# call_ldlib output file1 file2 ...
+call_ldlib() {
+    echo "AR: $1"
+    eval "${AR} rcs $@"
+}
+
+# build_example name
+build_example() {
+    call_cxx "examples/${1}.cc" "examples/${1}.o"
+    call_ld "examples/${1}" "examples/${1}.o" "$ASM_LIB"
+    rm "examples/${1}.o"
+}
+
+# build test runner
+build_test_runner() {
+    call_cxx test_runner.cc test_runner.o
+    call_ld test_runner test_runner.o
+    rm test_runner.o
+}
+
+# add_ext str ext
+add_ext() {
+    RET=""
+    for it in $1; do
+        RET="$RET ${it}${2}"
+    done
+    echo $RET
+}
+
+# check if cleaning
+if [ "$1" = "clean" ]; then
+    clean
+    exit 0
+fi
+
+# build test runner
+echo "Building test runner..."
+build_test_runner &
+
+# build assembly
+echo "Running assembler..."
+for as in $ASM_SOURCES; do
+    call_as "${as}.S" "${as}.o" &
+done
+wait
+call_ldlib "$ASM_LIB" $(add_ext "$ASM_SOURCES" ".o")
+rm $(add_ext "$ASM_SOURCES" ".o")
+
+# build examples
+echo "Building examples..."
+for ex in $EXAMPLES; do
+    build_example "$ex" &
+done
+wait
+
+# done
+exit 0