Added 4glpc awareness to four new environment variables related to lib linking:
#ar command A4GL_AR_CMD=
#ar options A4GL_AR_OPTS=
#ranlib command #A4GL_AR_CMD=
#ranlib options A4GL_RANLIB_OPTS=
Authored by: jcbatalha 2010-01-15
Parent: [r11477]
Child: [r11479]