replace type="exec" with exec="true" - fixes #295

add simple SLF4J provider - fixes #292

some more code cleanup

first minor code improvements

add RegressionTest - fixes #264

fix missing initialization of CFLAGS and LDFLAGS when toolchain is unknown - fixes #288

add separating comment to config.mk

copy contents of toolchain.mk instead of including them - fixes #287

fix several unquoted variable uses

fixes several minor potential issues in configure script

(0) -10 +10 tip

mercurial