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#! /usr/local/bin/ruby
def older(file1, file2)
if !File.exists(file1) then
return TRUE
end
if !File.exists(file2) then
return FALSE
end
if File.mtime(file1) < File.mtime(file2)
return TRUE
end
return FALSE
end
if !File.exists("./Makefile") ||
older("./Makefile", "../extmk.rb") ||
older("./Makefile", "./extconf.rb") then
LINK = "@CC@ -o conftest @CFLAGS@ @LDFLAGS@ conftest.c %s > /dev/null 2>&1"
$defs = []
def have_library(func, lib)
cfile = open("conftest.c", "w")
printf cfile, "\
int main() { return 0; }
int t() { %s(); return 0; }
", func
cfile.close
begin
if system(format(LINK, "-l" + lib)) != 0
return FALSE
end
ensure
system "/bin/rm -f conftest*"
end
if $libs
$libs = $libs + " -l" + lib
else
$libs = "-l" + lib
end
$defs.push(format("-DHAVE_LIB%s", lib.toupper))
return TRUE
end
def have_func(func)
cfile = open("conftest.c", "w")
printf cfile, "\
char %s();
int main() { return 0; }
int t() { %s(); return 0; }
", func, func
cfile.close
libs = $libs
libs = "" if libs == nil
begin
if system(format(LINK, libs)) != 0
return FALSE
end
ensure
system "/bin/rm -f conftest*"
end
$defs.push(format("-DHAVE_%s", func.toupper))
return TRUE
end
def create_header()
if $defs.length > 0
hfile = open("extconf.h", "w")
for line in $defs
line =~ /^-D(.*)/
printf hfile, "#define %s 1\n", $1
end
hfile.close
end
end
def create_makefile(target)
mfile = open("Makefile", "w")
printf mfile, "\
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = @srcdir@
VPATH = @srcdir@
CC = @CC@
CFLAGS = -I../.. @CCDLFLAGS@ @CFLAGS@ %s
LDDLFLAGS = @LDDLFLAGS@
", $defs.join(" ")
printf mfile, "\
prefix = @prefix@
binprefix =
exec_prefix = @exec_prefix@
bindir = $(exec_prefix)/bin
@SET_MAKE@
#### End of system configuration section. ####
"
printf mfile, "OBJS = "
if !$objs then
$objs = Dir["*.c"]
for f in $objs
f.sub(/\.c$/, ".o")
end
end
printf mfile, $objs.join(" ")
printf mfile, "\n"
printf mfile, "\
TARGET = %s.@DLEXT@
all: $(TARGET)
clean:; @rm -f *.o *.so
@rm -f Makefile extconf.h conftest.*
@rm -f core ruby *~
realclean: clean
", target
if "@DLEXT@" == "so"
printf mfile, "\
.SUFFIXES: .so $(SUFFIXES)
$(TARGET).so: $(OBJS)
ld $(LDDLFLAGS) -o $*.so $(OBJS)
"
elsif !File.exists(target + ".c")
printf mfile, "\
$(TARGET).o: $(OBJS)
ld $(LDDLFLAGS) -r $*.o $(OBJS)
"
end
if File.exists("depend")
dfile = open("depend", "r")
printf mfile, "###\n"
while line = dfile.gets()
printf mfile, "%s", line
end
dfile.close
end
mfile.close
end
if File.exists("configure") &&
(!File.exists("config.status") ||
File.mtime("config.status") < File.mtime("configure")) then
system "./configure"
end
if File.exists("extconf.rb")
load "extconf.rb"
else
Dir.pwd =~ /[^\/]+$/
create_makefile($&);
end
end
system "make all" if File.exists("./Makefile")
#Local variables:
# mode: ruby
#end:
|