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require 'pp'
require 'mkmf'
if ENV['MAINTAINER_MODE']
$stderr.puts "Maintainer mode enabled."
$CFLAGS <<
' -Wall' <<
' -ggdb' <<
' -DDEBUG' <<
' -pedantic'
end
if pgdir = with_config( 'pg' )
ENV['PATH'] = "#{pgdir}/bin" + File::PATH_SEPARATOR + ENV['PATH']
end
if enable_config("windows-cross")
# Avoid dependency to external libgcc.dll on x86-mingw32
$LDFLAGS << " -static-libgcc"
# Don't use pg_config for cross build, but --with-pg-* path options
dir_config 'pg'
else
# Native build
if pgconfig = ( with_config('pg-config') || with_config('pg_config') || find_executable('pg_config') )
$stderr.puts "Using config values from %s" % [ pgconfig ]
incdir = `"#{pgconfig}" --includedir`.chomp
libdir = `"#{pgconfig}" --libdir`.chomp
dir_config 'pg', incdir, libdir
else
$stderr.puts "No pg_config... trying anyway. If building fails, please try again with",
" --with-pg-config=/path/to/pg_config"
dir_config 'pg'
end
end
find_header( 'libpq-fe.h' ) or abort "Can't find the 'libpq-fe.h header"
find_header( 'libpq/libpq-fs.h' ) or abort "Can't find the 'libpq/libpq-fs.h header"
find_header( 'pg_config_manual.h' ) or abort "Can't find the 'pg_config_manual.h' header"
abort "Can't find the PostgreSQL client library (libpq)" unless
have_library( 'pq', 'PQconnectdb', ['libpq-fe.h'] ) ||
have_library( 'libpq', 'PQconnectdb', ['libpq-fe.h'] ) ||
have_library( 'ms/libpq', 'PQconnectdb', ['libpq-fe.h'] )
# optional headers/functions
have_func 'PQconnectionUsedPassword' or
abort "Your PostgreSQL is too old. Either install an older version " +
"of this gem or upgrade your database."
have_func 'PQisthreadsafe'
have_func 'PQprepare'
have_func 'PQexecParams'
have_func 'PQescapeString'
have_func 'PQescapeStringConn'
have_func 'PQescapeLiteral'
have_func 'PQescapeIdentifier'
have_func 'PQgetCancel'
have_func 'lo_create'
have_func 'pg_encoding_to_char'
have_func 'pg_char_to_encoding'
have_func 'PQsetClientEncoding'
have_func 'PQlibVersion'
have_func 'PQping'
have_func 'PQsetSingleRowMode'
have_func 'PQconninfo'
have_func 'rb_encdb_alias'
have_func 'rb_enc_alias'
have_func 'rb_thread_call_without_gvl'
have_func 'rb_thread_call_with_gvl'
have_func 'rb_thread_fd_select'
have_func 'rb_w32_wrap_io_handle'
have_func 'rb_str_modify_expand'
have_func 'rb_hash_dup'
have_const 'PGRES_COPY_BOTH', 'libpq-fe.h'
have_const 'PGRES_SINGLE_TUPLE', 'libpq-fe.h'
have_const 'PG_DIAG_TABLE_NAME', 'libpq-fe.h'
$defs.push( "-DHAVE_ST_NOTIFY_EXTRA" ) if
have_struct_member 'struct pgNotify', 'extra', 'libpq-fe.h'
# unistd.h confilicts with ruby/win32.h when cross compiling for win32 and ruby 1.9.1
have_header 'unistd.h'
have_header 'inttypes.h'
have_header 'ruby/st.h' or have_header 'st.h' or abort "pg currently requires the ruby/st.h header"
checking_for "C99 variable length arrays" do
$defs.push( "-DHAVE_VARIABLE_LENGTH_ARRAYS" ) if try_compile('void test_vla(int l){ int vla[l]; }')
end
create_header()
create_makefile( "pg_ext" )
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