From fd25d0cf2e2de6a9ad78ff22b90c2dbf01d9b493 Mon Sep 17 00:00:00 2001
From: Jiri Pittner <jiri@pittnerovi.com>
Date: Sun, 14 May 2023 16:58:55 +0200
Subject: [PATCH] added git version string access in the code

---
 .gitignore      |  1 +
 Makefile.am     | 10 ++++++++--
 get_git_version | 14 ++++++++++++++
 la.h            |  1 +
 t.cc            | 11 ++++++-----
 version.h       |  3 +++
 6 files changed, 33 insertions(+), 7 deletions(-)
 create mode 100755 get_git_version
 create mode 100644 version.h

diff --git a/.gitignore b/.gitignore
index 09e61b9..556c524 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,6 +49,7 @@ config.log
 .libs
 *.lo
 libla.la
+version.cc
 t
 test
 tX
diff --git a/Makefile.am b/Makefile.am
index 76e99b7..06a6515 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,13 +1,16 @@
 lib_LTLIBRARIES = libla.la
-include_HEADERS = simple.h vecmat3.h quaternion.h fortran.h cuda_la.h auxstorage.h  davidson.h   laerror.h    mat.h          qsort.h             vec.h bisection.h   diis.h       la.h         noncblas.h     smat.h bitvector.h   fourindex.h  la_traits.h  nonclass.h     sparsemat.h sparsesmat.h csrmat.h conjgrad.h    gmres.h      matexp.h     permutation.h   polynomial.h contfrac.h
+include_HEADERS = version.h simple.h vecmat3.h quaternion.h fortran.h cuda_la.h auxstorage.h  davidson.h   laerror.h    mat.h          qsort.h             vec.h bisection.h   diis.h       la.h         noncblas.h     smat.h bitvector.h   fourindex.h  la_traits.h  nonclass.h     sparsemat.h sparsesmat.h csrmat.h conjgrad.h    gmres.h      matexp.h     permutation.h   polynomial.h contfrac.h
 libla_la_SOURCES = simple.cc quaternion.cc vecmat3.cc vec.cc mat.cc smat.cc sparsemat.cc sparsesmat.cc csrmat.cc laerror.cc noncblas.cc  bitvector.cc strassen.cc nonclass.cc cuda_la.cc fourindex.cc permutation.cc polynomial.cc contfrac.cc
 check_PROGRAMS = t test tX
 t_SOURCES = t.cc t2.cc 
+nodist_t_SOURCES = version.cc
 test_SOURCES = test.cc
 tX_SOURCES = tX.cc
 LDADD = .libs/libla.a
 ACLOCAL_AMFLAGS = -I m4
-EXTRA_DIST = LICENSE doxygen.cfg aminclude.am acinclude.m4 footer.html
+EXTRA_DIST = get_git_version LICENSE doxygen.cfg aminclude.am acinclude.m4 footer.html
+CLEANFILES = version.cc
+#noinst_PROGRAMS = 
 
 .cu.o:
 	$(NVCC) -o $@ -c $< $(NVCCFLAGS)
@@ -34,4 +37,7 @@ AM_LDFLAGS += $(CUDALIBS)
 
 tX_LDFLAGS = $(AM_LDFLAGS) -lX11 -lm 
 
+version.cc:
+	./get_git_version >>version.cc
+
 include $(top_srcdir)/aminclude.am
diff --git a/get_git_version b/get_git_version
new file mode 100755
index 0000000..bac42e9
--- /dev/null
+++ b/get_git_version
@@ -0,0 +1,14 @@
+#!/bin/csh -f
+cat <<!
+#include "version.h"
+const char LA::version[] = 
+!
+echo -n '"'
+echo -n `git describe`
+echo -n ' HEAD commit = '
+set head=`git rev-parse HEAD`
+echo -n $head
+echo -n ' dated '
+echo -n `git show -s --format=%ci $head`
+echo -n '"'
+echo ';' 
diff --git a/la.h b/la.h
index 1a41bbb..fc21e1c 100644
--- a/la.h
+++ b/la.h
@@ -43,6 +43,7 @@
 #include "vec.h"
 #include "polynomial.h"
 #include "contfrac.h"
+#include "version.h"
 
 using namespace LA;
 typedef NRMat<int> NRIMat;
diff --git a/t.cc b/t.cc
index 6e00ecb..525164d 100644
--- a/t.cc
+++ b/t.cc
@@ -132,16 +132,17 @@ sigtraceback(SIGABRT,1);
 sigtraceback(SIGBUS,1);
 sigtraceback(SIGFPE,1);
 
-
-NRVec<double> x(1.,10);
-NRVec<double> y(2.,10);
-NRVec<double> z(-2.,10);
-
 //cout.setf(ios::scientific);
 cc:cout.setf(ios::fixed);
 cout.precision(10);
 cin.exceptions ( ifstream::eofbit | ifstream::failbit | ifstream::badbit );
 
+cout <<"LA version = "<<LA::version<<endl;
+
+NRVec<double> x(1.,10);
+NRVec<double> y(2.,10);
+NRVec<double> z(-2.,10);
+
 
 if(0) test(x);
 
diff --git a/version.h b/version.h
new file mode 100644
index 0000000..49e07c4
--- /dev/null
+++ b/version.h
@@ -0,0 +1,3 @@
+namespace LA {
+extern const char version[];
+}