BUILD: rename configure.in to configure.ac
BUILD: preserve AM_LDFLAGS, AM_CXXFLAGS and AM_CFLAGS in Makefiles
BUILD: cleanup and simplify compiler option selection in configure.ac
BUILD: separate OPTIMIZE_FAST, SIMD_FLAGS and SSEAVX_FLAGS optiimzations
AIDACC: dependency fixup
BUILD: use AM_CPPFLAGS instead of the deprecated INCLUDES variable
BUILD: remove maintainer-mode and devel-rules special casing
BUILD: add --enable-devel-mode=yes/no option to configure.ac
BUILD: clean ChangeLog on maintainer-clean
BUILD: remove unused LOG_DOMAIN definition
BUILD: remove xmllint check duplicate
TESTS: error out if testfile failed to load sample1.svg
Merge branch 'configure-ac'

* configure-ac:
  TESTS: error out if testfile failed to load sample1.svg
  BUILD: remove xmllint check duplicate
  BUILD: remove unused LOG_DOMAIN definition
  BUILD: clean ChangeLog on maintainer-clean
  BUILD: add --enable-devel-mode=yes/no option to configure.ac
  BUILD: remove maintainer-mode and devel-rules special casing
  BUILD: use AM_CPPFLAGS instead of the deprecated INCLUDES variable
  AIDACC: dependency fixup
  BUILD: separate OPTIMIZE_FAST, SIMD_FLAGS and SSEAVX_FLAGS optiimzations
  BUILD: cleanup and simplify compiler option selection in configure.ac
  BUILD: preserve AM_LDFLAGS, AM_CXXFLAGS and AM_CFLAGS in Makefiles
  BUILD: rename configure.in to configure.ac