diff --git a/common/shlibs b/common/shlibs
index f0ea3304d0c..34d4a899ce8 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -2891,6 +2891,7 @@ libtacacs.so.1 tacacs-4.0.4.28_1
 libffms2.so.4 libffms2-2.23.1_1
 libduktape.so.201 duktape-2.1.1_1
 liblsmash.so.2 liblsmash-2.9.1_1
+libgiac.so.0 libgiac-1.4.9r17_1
 libgnustep-base.so.1.25 gnustep-base-1.25.0_1
 libtermbox.so.1 termbox-1.1.0_1
 libmysofa.so.0 libmysofa-0.6_1
diff --git a/srcpkgs/giac-devel b/srcpkgs/giac-devel
new file mode 120000
index 00000000000..1cb8e390fce
--- /dev/null
+++ b/srcpkgs/giac-devel
@@ -0,0 +1 @@
+giac
\ No newline at end of file
diff --git a/srcpkgs/giac-doc b/srcpkgs/giac-doc
new file mode 120000
index 00000000000..1cb8e390fce
--- /dev/null
+++ b/srcpkgs/giac-doc
@@ -0,0 +1 @@
+giac
\ No newline at end of file
diff --git a/srcpkgs/giac/patches/fgamma.patch b/srcpkgs/giac/patches/fgamma.patch
new file mode 100644
index 00000000000..c291edfe64b
--- /dev/null
+++ b/srcpkgs/giac/patches/fgamma.patch
@@ -0,0 +1,11 @@
+--- src/first.h.orig	2017-09-22 20:44:12.000000000 +0200
++++ src/first.h	2017-11-14 15:26:53.529711489 +0100
+@@ -503,7 +503,7 @@
+ #if defined(__MINGW_H) || defined(VISUALC) // FIXME gamma, not used
+ inline float fgamma(float f1){ return f1; }
+ #else
+-inline float fgamma(float f1){ return gammaf(f1); } // or tgammaf(f1) on some versions of emscripten
++inline float fgamma(float f1){ return tgammaf(f1); } // or tgammaf(f1) on some versions of emscripten
+ #endif
+ #endif
+ inline float atan2f(float f1,float f2,int rad){ if (rad) return atan2f(f1,f2); else return atan2f(f1,f2)*180/M_PI;}
diff --git a/srcpkgs/giac/patches/malloc.patch b/srcpkgs/giac/patches/malloc.patch
new file mode 100644
index 00000000000..3f2b05b37d0
--- /dev/null
+++ b/srcpkgs/giac/patches/malloc.patch
@@ -0,0 +1,11 @@
+--- src/History.cc.orig	2017-10-02 10:23:46.000000000 +0200
++++ src/History.cc	2017-11-14 15:42:12.119849965 +0100
+@@ -3828,7 +3828,7 @@
+       // mode_s += "Time: ";
+       // double t=double(clock());
+       // mode_s += xcas::print_DOUBLE_(t/CLOCKS_PER_SEC);
+-#ifdef HAVE_MALLOC_H //
++#if defined HAVE_MALLOC_H && defined __GLIBC__ //
+       struct mallinfo mem=mallinfo();
+       double memd=mem.arena+mem.hblkhd;
+       mode_s +=xcas::print_DOUBLE_(memd/1048576);
diff --git a/srcpkgs/giac/template b/srcpkgs/giac/template
new file mode 100644
index 00000000000..a87a0047b18
--- /dev/null
+++ b/srcpkgs/giac/template
@@ -0,0 +1,47 @@
+# Template file for 'giac'
+pkgname=giac
+version=1.4.9r17
+revision=1
+wrksrc="${pkgname}-${version/r*}"
+build_style=gnu-configure
+makedepends="fltk-devel gmp-devel gsl-devel lapack-devel
+ libjpeg-turbo-devel libpng-devel readline-devel"
+depends="desktop-file-utils hicolor-icon-theme"
+short_desc="Free computer algebra system"
+maintainer="cr6git <quark6@protonmail.com>"
+homepage="https://www-fourier.ujf-grenoble.fr/~parisse/giac.html"
+license="GPL-3"
+distfiles="https://www-fourier.ujf-grenoble.fr/~parisse/debian/dists/stable/main/source/${pkgname}_${version/r/-}.tar.gz"
+checksum=5d2d5856b58b882509428e00b26bee64bee468966bbe4b5423b74768c0e14b39
+
+post_install() {
+	# remove duplicates
+	rm -r ${DESTDIR}/usr/share/doc
+}
+
+libgiac_package() {
+	short_desc+=" - runtime library"
+	pkg_install() {
+		vmove "usr/lib/*.so.*"
+	}
+}
+
+giac-devel_package() {
+	short_desc+=" - development files"
+	depends="${sourcepkg}>=${version}_${revision} $makedepends"
+	pkg_install() {
+		vmove usr/include
+		vmove "usr/lib/*.a"
+		vmove "usr/lib/*.so"
+	}
+}
+
+giac-doc_package() {
+	short_desc+=" - Documentation and Examples"
+	pkg_install() {
+		vmove "usr/share/giac/doc"
+		vmove "usr/share/giac/examples"
+		find ${PKGDESTDIR} -name "Makefile*" -delete
+	}
+}
+
diff --git a/srcpkgs/libgiac b/srcpkgs/libgiac
new file mode 120000
index 00000000000..1cb8e390fce
--- /dev/null
+++ b/srcpkgs/libgiac
@@ -0,0 +1 @@
+giac
\ No newline at end of file