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AC_INIT([asn1c],[0.9.29],[vlm@lionet.info])
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE([foreign])
AC_CONFIG_MACRO_DIR([m4])
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_YACC
AM_PROG_LEX
dnl locate ar using standard macro (old automake 1.11 does not know about AM_PROG_AR)
m4_ifdef([AM_PROG_AR],
[AM_PROG_AR],
[AC_PATH_PROG(AR, ar, ar, $PATH:/usr/ucb:/usr/ccs/bin)])
LT_INIT
dnl If you need to see the details, just run make V=1.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
case "$host_os" in
cygwin)
case "$target" in
*mingw*)
CC="$CC -mno-cygwin"
esac
;;
esac
AC_ARG_ENABLE([ASN_DEBUG],
[AS_HELP_STRING([--enable-ASN_DEBUG],
[produce debug log during `make check` testing])],
[enable_asn_debug=$enableval], [enable_asn_debug=no])
AS_IF([test x$enable_asn_debug != xno], [
TESTSUITE_CFLAGS="-DEMIT_ASN_DEBUG"
SKELETONS_CFLAGS="-DEMIT_ASN_DEBUG"
])
AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
AX_CHECK_COMPILE_FLAG([-Wcast-qual], [CFLAGS="$CFLAGS -Wcast-qual"])
AX_CHECK_COMPILE_FLAG([-Wchar-subscripts],
[CFLAGS="$CFLAGS -Wchar-subscripts"])
AX_CHECK_COMPILE_FLAG([-Wmissing-prototypes],
[CFLAGS="$CFLAGS -Wmissing-prototypes"])
AX_CHECK_COMPILE_FLAG([-Wmissing-declarations],
[CFLAGS="$CFLAGS -Wmissing-declarations"])
dnl There are legitimate uses for these features, disable warnings/errors.
AX_CHECK_COMPILE_FLAG([-Wno-error=cast-align],
[CFLAGS="$CFLAGS -Wno-error=cast-align"])
AX_CHECK_COMPILE_FLAG([-Wno-error=visibility],
[CFLAGS="$CFLAGS -Wno-error=visibility"])
AX_CHECK_COMPILE_FLAG([-Wno-error=parentheses-equality],
[CFLAGS="$CFLAGS -Wno-error=parentheses-equality"])
AX_CHECK_COMPILE_FLAG([-std=gnu99],
[CFLAGS="$CFLAGS -std=gnu99"
TESTSUITE_CFLAGS="$TESTSUITE_CFLAGS -std=gnu99"])
AX_CHECK_COMPILE_FLAG([-Wno-error=unused-variable],
[TESTSUITE_CFLAGS="$TESTSUITE_CFLAGS -Wno-error=unused-variable"])
AC_ARG_ENABLE(Werror,
[AS_HELP_STRING([--enable-Werror],
[abort compilation after any C compiler warning])],
[enable_werror=$enableval], [enable_werror=no])
AS_IF([test x$enable_werror != xno], [
ADD_CFLAGS="-Werror -W -Wpointer-arith"
])
AC_ARG_ENABLE(test-Werror,
[AS_HELP_STRING([--enable-test-Werror],
[abort compiling tests after any C compiler warning])],
[enable_test_werror=$enableval], [enable_test_werror=no])
AS_IF([test x$enable_test_werror != xno], [
TESTSUITE_CFLAGS="-Werror -W -Wpointer-arith"
])
AX_CODE_COVERAGE
AS_IF([test x$enable_code_coverage != xno], [
CFLAGS="$CFLAGS $CODE_COVERAGE_CFLAGS"
# The CODE_COVERAGE_CPPFLAGS contains -DNDEBUG flag
# which removes assert(...) macros from code coverage and improves the
# branches score. But when it is defined it results in few
# unsed-but-set-variable warnings that are treated as errors in the travis-ci
# build because these variables are only used inside assert macros.
# error: variable ‘ret’ set but not used [-Werror=unused-but-set-variable]
#CPPFLAGS="$CPPFLAGS $CODE_COVERAGE_CPPFLAGS"
CXXFLAGS="$CXXFLAGS $CODE_COVERAGE_CXXFLAGS"
AC_SEARCH_LIBS(gcov_open, gcov, [LDFLAGS="$LDFLAGS $CODE_COVERAGE_LDFLAGS"])
])
AC_SUBST(ADD_CFLAGS)
AC_SUBST(TESTSUITE_CFLAGS)
dnl Skeletons should be very compatible with most of the compilers, hence
dnl very strict backward compatibility flags.
SKELETONS_CFLAGS="${ADD_CFLAGS} ${SKELETONS_CFLAGS}"
AX_CHECK_COMPILE_FLAG([-std=c89],
[SKELETONS_CFLAGS="$SKELETONS_CFLAGS -std=c89"])
AX_CHECK_COMPILE_FLAG([-Wpedantic],
[SKELETONS_CFLAGS="$SKELETONS_CFLAGS -Wpedantic"],
[
dnl When -Wpedantic is not supported try the -pedantic instead. (gcc-4.7)
dnl See https://gcc.gnu.org/gcc-4.8/changes.html
AX_CHECK_COMPILE_FLAG([-pedantic],
[SKELETONS_CFLAGS="$SKELETONS_CFLAGS -pedantic"], [], [-Werror])
],
[-Werror]) #clang 3.0 prints warning when the flag is not supported
AC_SUBST(SKELETONS_CFLAGS)
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(sys/param.h)
AC_CHECK_HEADERS(alloca.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_BIGENDIAN
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_STRUCT_TM
AC_CHECK_TYPE([__int128],
[AC_DEFINE(HAVE_128_BIT_INT, 1, [Have 128-bit integer])])
AC_CHECK_TYPE(intmax_t, int64_t)
dnl Test if we should test features that depend on 64-bitness.
AC_CHECK_SIZEOF([void *])
AM_CONDITIONAL([TEST_64BIT], [test "$ac_cv_sizeof_void_p" -eq 8])
dnl For mingw
AC_SEARCH_LIBS(getopt, iberty)
AC_CHECK_FUNCS(strtoimax strtoll)
AC_CHECK_FUNCS(mergesort)
AC_CHECK_FUNCS(mkstemps)
AC_CHECK_FUNCS(timegm)
AC_CHECK_DECLS(alloca strcasecmp)
AC_TRY_LINK_FUNC([symlink],[AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the symlink function.])])
dnl Use pandoc to generate manual pages.
AC_PATH_PROG([PANDOC], pandoc)
AM_CONDITIONAL([HAVE_PANDOC], [test -n "$PANDOC"])
AC_CONFIG_FILES([\
tests/tests-c-compiler/check-src/Makefile \
tests/tests-asn1c-compiler/Makefile \
tests/tests-c-compiler/Makefile \
skeletons/tests/Makefile \
libasn1compiler/Makefile \
libasn1parser/Makefile \
libasn1print/Makefile \
libasn1fix/Makefile \
doc/docsrc/Makefile \
skeletons/Makefile \
examples/Makefile \
doc/man/Makefile \
tests/Makefile \
asn1c/Makefile \
doc/Makefile \
Makefile \
])
AC_OUTPUT
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