X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=configure.ac;h=2917cb3ec240d3b6cb100d53e44d9e576b8540c4;hp=7b3fe169118d983599e373672e0756e0f9f04ff0;hb=2ee740fd9e5197bc9951a0c92e35947203c1b620;hpb=d652ef844d7af968c4b4fe76e477d3d1fed54138

diff --git a/configure.ac b/configure.ac
index 7b3fe16..2917cb3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,9 +40,16 @@ AC_PROG_CC
 AC_PROG_INSTALL
 AC_PROG_LN_S
 
+AC_C_CONST
+
 # Required for per-target flags or subdir-objects with C sources.
 AM_PROG_CC_C_O
 
+# Support building Windows DLLs.
+AC_LIBTOOL_WIN32_DLL
+AM_PROG_CC_STDC
+AM_PROG_LIBTOOL
+
 # Set the standard the C library headers should conform to.
 AH_VERBATIM([_POSIX_C_SOURCE], [/* The targeted POSIX standard. */
 #ifndef _POSIX_C_SOURCE
@@ -89,15 +96,18 @@ SRD_PKGLIBS_TESTS=
 SR_PKG_CHECK_SUMMARY([srd_pkglibs_summary])
 
 # Python 3 is always needed.
+# Starting with Python 3.8 we need to check for "python-3.8-embed"
+# first, since usually only that variant will add "-lpython3.8".
+# https://docs.python.org/3/whatsnew/3.8.html#debug-build-uses-the-same-abi-as-release-build
 SR_PKG_CHECK([python3], [SRD_PKGLIBS],
-	[python3 >= 3.2], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2])
+	[python-3.9-embed], [python-3.8-embed], [python-3.8 >= 3.8], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2], [python3 >= 3.2])
 AS_IF([test "x$sr_have_python3" = xno],
 	[AC_MSG_ERROR([Cannot find Python 3 development headers.])])
 
 # We also need to find the name of the python3 executable (for 'make install').
 # Some OSes call this python3, some call it python3.2, etc. etc.
 AC_ARG_VAR([PYTHON3], [Python 3 interpreter])
-AC_CHECK_PROGS([PYTHON3], [python3.6 python3.5 python3.4 python3.3 python3.2 python3])
+AC_CHECK_PROGS([PYTHON3], [python3.8 python3.7 python3.6 python3.5 python3.4 python3.3 python3.2 python3])
 AS_IF([test "x$PYTHON3" = x],
 	[AC_MSG_ERROR([Cannot find Python 3 interpreter.])])
 
@@ -129,6 +139,17 @@ AC_SYS_LARGEFILE
 
 AC_C_BIGENDIAN
 
+#########################
+##  Optional features. ##
+#########################
+
+# Enable IRMP support by default. Accept user overrides.
+AC_ARG_ENABLE([irmp],
+	[AS_HELP_STRING([--enable-irmp], [enable IRMP shared object [default=yes]])],
+	[], [enable_irmp_so=yes])
+AM_CONDITIONAL([WITH_IRMP], [test "x$enable_irmp_so" = "xyes"])
+test -n "$enable_irmp_so" || enable_irmp_so=no
+
 ##############################
 ##  Finalize configuration  ##
 ##############################
@@ -172,4 +193,6 @@ Detected libraries (required):
 $srd_pkglibs_summary
 Detected libraries (optional):
 $srd_pkglibs_opt_summary
+Optional features:
+  - IRMP support library .......... $enable_irmp_so
 _EOF