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#
# Example of how to build and install locally as a shared library
#
# Usage:
#
# $ make -f Makefile.sharedlibrary
# $ sudo make -f Makefile.sharedlibrary install
# $ make -f Makefile.sharedlibrary duk # --> example 'duk' linked to shared libduktape
#
# $ ls -l duk
# -rwxrwxr-x 1 duktape duktape 19407 Nov 30 15:48 duk
#
# $ ldd ./duk
# linux-vdso.so.1 => (0x00007ffd5ed3c000)
# libduktape.so.104 => /usr/local/lib/libduktape.so.104 (0x00007fb2f9753000)
# libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fb2f944d000)
# libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fb2f9088000)
# /lib64/ld-linux-x86-64.so.2 (0x00007fb2f9991000)
#
# Based on: http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html
# Soname version must be bumped whenever a binary compatibility change occurs
# (and should not be bumped when the library is compatible). A simple Duktape
# convention is to set soname version to (100*MAJOR + MINOR), e.g. 104 for
# Duktape 1.4.x, so that it gets automatically bumped for major and minor
# releases (potentially binary incompatible), but not for patch releases.
DUK_VERSION = 20500
SONAME_VERSION = 205
REAL_VERSION = $(SONAME_VERSION).$(DUK_VERSION)
# Mac has an unusual .so naming convention
ifeq ($(OS),Windows_NT)
DETECTED_OS := Windows
else
DETECTED_OS := $(shell uname -s)
endif
ifeq ($(DETECTED_OS),Darwin)
LD_SONAME_ARG=-install_name
SO_SONAME_SUFFIX=$(SONAME_VERSION).so
SO_REALNAME_SUFFIX=$(REAL_VERSION).so
else
LD_SONAME_ARG=-soname
SO_SONAME_SUFFIX=so.$(SONAME_VERSION)
SO_REALNAME_SUFFIX=so.$(REAL_VERSION)
endif
# Change to actual path for actual distribution packaging.
INSTALL_PREFIX = ./tmp-build
# The 'noline' variant may be more appropriate for some distributions; it
# doesn't have #line directives in the combined source.
DUKTAPE_SRCDIR = ./src
#DUKTAPE_SRCDIR = ./src-noline
CC = gcc
.PHONY: all
all: libduktape.$(SO_SONAME_SUFFIX) libduktaped.$(SO_SONAME_SUFFIX)
# If the default duk_config.h is not suitable for the distribution, modify it
# before compiling the shared library and copy the same, edited duk_config.h
# to $INSTALL_PREFIX/include on installation.
libduktape.$(SO_SONAME_SUFFIX):
$(CC) -shared -fPIC -g -Wall -Wextra -Os -Wl,$(LD_SONAME_ARG),libduktape.$(SO_SONAME_SUFFIX) \
-D_FORTIFY_SOURCE=2 -z relro -z now \
-o $@ $(DUKTAPE_SRCDIR)/duktape.c
libduktaped.$(SO_SONAME_SUFFIX):
$(CC) -shared -fPIC -g -Wall -Wextra -Os -Wl,$(LD_SONAME_ARG),libduktaped.$(SO_SONAME_SUFFIX) \
-D_FORTIFY_SOURCE=2 -z relro -z now \
-o $@ $(DUKTAPE_SRCDIR)/duktape.c
# Symlinks depend on platform conventions.
.PHONY: install
install: libduktape.$(SO_SONAME_SUFFIX) libduktaped.$(SO_SONAME_SUFFIX)
mkdir -p $(INSTALL_PREFIX)/lib/
cp $+ $(INSTALL_PREFIX)/lib/
rm -f $(INSTALL_PREFIX)/lib/libduktape.so
ln -s libduktape.$(SO_SONAME_SUFFIX) $(INSTALL_PREFIX)/lib/libduktape.so
# ln -s libduktape.$(SO_REALNAME_SUFFIX) $(INSTALL_PREFIX)/lib/libduktape.$(SO_SONAME_SUFFIX)
rm -f $(INSTALL_PREFIX)/lib/libduktaped.so $(INSTALL_PREFIX)/lib/libduktaped.$(SO_SONAME_SUFFIX)
ln -s libduktaped.$(SO_SONAME_SUFFIX) $(INSTALL_PREFIX)/lib/libduktaped.so
# ln -s libduktaped.$(SO_REALNAME_SUFFIX) $(INSTALL_PREFIX)/lib/libduktaped.$(SO_SONAME_SUFFIX)
mkdir -p $(INSTALL_PREFIX)/include/
cp $(DUKTAPE_SRCDIR)/duktape.h $(DUKTAPE_SRCDIR)/duk_config.h $(INSTALL_PREFIX)/include/
CCOPTS = -I./examples/cmdline
duk:
$(CC) $(CCOPTS) -I$(INSTALL_PREFIX)/include -L$(INSTALL_PREFIX)/lib -Wall -Wextra -Os -o $@ ./examples/cmdline/duk_cmdline.c -lduktape -lm
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