From 5d8f7ae2d3ea618fe88695572b08a43e8195a920 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 19 Jun 2021 16:52:38 +0000
Subject: project: pyext: _decimal extension: added refined host configuration.

---
 project/config/cfgdefs.sh | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'project/config/cfgdefs.sh')

diff --git a/project/config/cfgdefs.sh b/project/config/cfgdefs.sh
index c04c86d..fc13f41 100644
--- a/project/config/cfgdefs.sh
+++ b/project/config/cfgdefs.sh
@@ -239,6 +239,11 @@ cfgdefs_perform_common_tests()
 	cfgtest_newline
 	cfgtest_comment 'toolchain'
 
+	# math configuration
+	cfghost_x87_asm=
+	cfghost_x64_asm=
+	cfghost_aarch64_types=
+
 	# x87
 	mb_code_snippet=''
 	mb_code_snippet="$mb_code_snippet "'void fn(void)'
@@ -247,6 +252,7 @@ cfgdefs_perform_common_tests()
 
 	if cfgtest_code_snippet_asm "$mb_code_snippet"; then
 		cfgtest_cflags_append '-DHAVE_GCC_ASM_FOR_X87'
+		cfghost_x87_asm='yes'
 	fi
 
 	# x64
@@ -256,6 +262,30 @@ cfgdefs_perform_common_tests()
 
 	if cfgtest_code_snippet_asm "$mb_code_snippet"; then
 		cfgtest_cflags_append '-DHAVE_GCC_ASM_FOR_X64'
+		cfghost_x64_asm='yes'
+	fi
+
+	# aarch64
+	mb_code_snippet='__uint128_t aarch64_dummy = 0;'
+
+	if cfgtest_code_snippet_asm "$mb_code_snippet"; then
+		cfgtest_cflags_append '-DHAVE_GCC_UINT128_T'
+		cfghost_aarch64_types='yes'
+	fi
+
+	# math configuration selection
+	if [ $cfghost_aarch64_types = 'yes' ]; then
+		cfgtest_cflags_append '-DCONFIG_64'
+		cfgtest_cflags_append '-DANSI'
+		cfgtest_cflags_append '-DHAVE_UINT128_T'
+
+	elif [ $cfghost_x64_asm = 'yes' ]; then
+		cfgtest_cflags_append '-DCONFIG_64'
+		cfgtest_cflags_append '-DASM'
+
+	elif [ $cfghost_x87_asm = 'yes' ]; then
+		cfgtest_cflags_append '-DCONFIG_32'
+		cfgtest_cflags_append '-DANSI'
 	fi
 
 	# IEEE 754: little endian / big endian
-- 
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