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require 'mkmf'
def have_library_ex(lib, func="main", headers=nil)
checking_for "#{func}() in -l#{lib}" do
libs = append_library($libs, lib)
if !func.nil? && !func.empty? && COMMON_LIBS.include?(lib)
true
elsif try_func(func, libs, headers)
$libs = libs
true
else
false
end
end
end
dir_config("odbc")
have_header("sql.h") || begin
puts "ERROR: sql.h not found"
exit 1
end
have_header("sqlext.h") || begin
puts "ERROR: sqlext.h not found"
exit 1
end
testdlopen = enable_config("dlopen", true)
begin
if PLATFORM !~ /(mingw|cygwin)/ then
header = "sqltypes.h"
else
header = ["windows.h", "sqltypes.h"]
end
if defined? have_type
have_type("SQLTCHAR", header)
else
throw
end
rescue
puts "WARNING: please check sqltypes.h for SQLTCHAR manually,"
puts "WARNING: if defined, modify CFLAGS in Makefile to contain"
puts "WARNING: the option -DHAVE_TYPE_SQLTCHAR"
end
begin
if PLATFORM !~ /(mingw|cygwin)/ then
header = "sqltypes.h"
else
header = ["windows.h", "sqltypes.h"]
end
if defined? have_type
have_type("SQLLEN", header)
else
throw
end
rescue
puts "WARNING: please check sqltypes.h for SQLLEN manually,"
puts "WARNING: if defined, modify CFLAGS in Makefile to contain"
puts "WARNING: the option -DHAVE_TYPE_SQLLEN"
end
begin
if PLATFORM !~ /(mingw|cygwin)/ then
header = "sqltypes.h"
else
header = ["windows.h", "sqltypes.h"]
end
if defined? have_type
have_type("SQLULEN", header)
else
throw
end
rescue
puts "WARNING: please check sqltypes.h for SQLULEN manually,"
puts "WARNING: if defined, modify CFLAGS in Makefile to contain"
puts "WARNING: the option -DHAVE_TYPE_SQLULEN"
end
$have_odbcinst_h = have_header("odbcinst.h")
if PLATFORM =~ /mswin32/ then
if !have_library_ex("odbc32", "SQLAllocConnect", "sql.h") ||
!have_library_ex("odbccp32", "SQLConfigDataSource", "odbcinst.h") ||
!have_library_ex("odbccp32", "SQLInstallerError", "odbcinst.h") ||
!have_library("user32", "CharUpper") then
puts "Can not locate odbc libraries"
exit 1
end
have_func("SQLInstallerError", "odbcinst.h")
# mingw untested !!!
elsif PLATFORM =~ /(mingw|cygwin)/ then
have_library("odbc32", "")
have_library("odbccp32", "")
have_library("user32", "")
elsif (testdlopen && PLATFORM !~ /(macos|darwin)/ && CONFIG["CC"] =~ /gcc/ && have_func("dlopen", "dlfcn.h") && have_library("dl", "dlopen")) then
$LDFLAGS+=" -Wl,-init -Wl,ruby_odbc_init -Wl,-fini -Wl,ruby_odbc_fini"
$CPPFLAGS+=" -DHAVE_SQLCONFIGDATASOURCE"
$CPPFLAGS+=" -DHAVE_SQLINSTALLERERROR"
$CPPFLAGS+=" -DUSE_DLOPEN_FOR_ODBC_LIBS"
else
have_library("odbc", "SQLAllocConnect") ||
have_library("iodbc", "SQLAllocConnect")
($have_odbcinst_h &&
have_library("odbcinst", "SQLConfigDataSource")) ||
($have_odbcinst_h &&
have_library("iodbcinst", "SQLConfigDataSource"))
$have_odbcinst_h &&
have_func("SQLInstallerError", "odbcinst.h")
end
create_makefile("odbc")
|
