diff --git a/GLD_boost-math-c99.json b/GLD_boost-math-c99.json
index f333262..d53d3f5 100644
--- a/GLD_boost-math-c99.json
+++ b/GLD_boost-math-c99.json
@@ -6,27 +6,27 @@
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
     "source": [
-        "boost/libs/math/build/../src/tr1/acosh.cpp",
-        "boost/libs/math/build/../src/tr1/asinh.cpp",
-        "boost/libs/math/build/../src/tr1/atanh.cpp",
-        "boost/libs/math/build/../src/tr1/cbrt.cpp",
-        "boost/libs/math/build/../src/tr1/copysign.cpp",
-        "boost/libs/math/build/../src/tr1/erfc.cpp",
-        "boost/libs/math/build/../src/tr1/erf.cpp",
-        "boost/libs/math/build/../src/tr1/expm1.cpp",
-        "boost/libs/math/build/../src/tr1/fmax.cpp",
-        "boost/libs/math/build/../src/tr1/fmin.cpp",
-        "boost/libs/math/build/../src/tr1/fpclassify.cpp",
-        "boost/libs/math/build/../src/tr1/hypot.cpp",
-        "boost/libs/math/build/../src/tr1/lgamma.cpp",
-        "boost/libs/math/build/../src/tr1/llround.cpp",
-        "boost/libs/math/build/../src/tr1/log1p.cpp",
-        "boost/libs/math/build/../src/tr1/lround.cpp",
-        "boost/libs/math/build/../src/tr1/nextafter.cpp",
-        "boost/libs/math/build/../src/tr1/nexttoward.cpp",
-        "boost/libs/math/build/../src/tr1/round.cpp",
-        "boost/libs/math/build/../src/tr1/tgamma.cpp",
-        "boost/libs/math/build/../src/tr1/trunc.cpp"
+        "boost/libs/math/src/tr1/acosh.cpp",
+        "boost/libs/math/src/tr1/asinh.cpp",
+        "boost/libs/math/src/tr1/atanh.cpp",
+        "boost/libs/math/src/tr1/cbrt.cpp",
+        "boost/libs/math/src/tr1/copysign.cpp",
+        "boost/libs/math/src/tr1/erfc.cpp",
+        "boost/libs/math/src/tr1/erf.cpp",
+        "boost/libs/math/src/tr1/expm1.cpp",
+        "boost/libs/math/src/tr1/fmax.cpp",
+        "boost/libs/math/src/tr1/fmin.cpp",
+        "boost/libs/math/src/tr1/fpclassify.cpp",
+        "boost/libs/math/src/tr1/hypot.cpp",
+        "boost/libs/math/src/tr1/lgamma.cpp",
+        "boost/libs/math/src/tr1/llround.cpp",
+        "boost/libs/math/src/tr1/log1p.cpp",
+        "boost/libs/math/src/tr1/lround.cpp",
+        "boost/libs/math/src/tr1/nextafter.cpp",
+        "boost/libs/math/src/tr1/nexttoward.cpp",
+        "boost/libs/math/src/tr1/round.cpp",
+        "boost/libs/math/src/tr1/tgamma.cpp",
+        "boost/libs/math/src/tr1/trunc.cpp"
     ],
     "compilation-version": {
         "c++": 2011
diff --git a/GLD_boost-math-c99f.json b/GLD_boost-math-c99f.json
index c5bc810..796b4f4 100644
--- a/GLD_boost-math-c99f.json
+++ b/GLD_boost-math-c99f.json
@@ -6,27 +6,27 @@
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
     "source": [
-        "boost/libs/math/build/../src/tr1/acoshf.cpp",
-        "boost/libs/math/build/../src/tr1/asinhf.cpp",
-        "boost/libs/math/build/../src/tr1/atanhf.cpp",
-        "boost/libs/math/build/../src/tr1/cbrtf.cpp",
-        "boost/libs/math/build/../src/tr1/copysignf.cpp",
-        "boost/libs/math/build/../src/tr1/erfcf.cpp",
-        "boost/libs/math/build/../src/tr1/erff.cpp",
-        "boost/libs/math/build/../src/tr1/expm1f.cpp",
-        "boost/libs/math/build/../src/tr1/fmaxf.cpp",
-        "boost/libs/math/build/../src/tr1/fminf.cpp",
-        "boost/libs/math/build/../src/tr1/fpclassifyf.cpp",
-        "boost/libs/math/build/../src/tr1/hypotf.cpp",
-        "boost/libs/math/build/../src/tr1/lgammaf.cpp",
-        "boost/libs/math/build/../src/tr1/llroundf.cpp",
-        "boost/libs/math/build/../src/tr1/log1pf.cpp",
-        "boost/libs/math/build/../src/tr1/lroundf.cpp",
-        "boost/libs/math/build/../src/tr1/nextafterf.cpp",
-        "boost/libs/math/build/../src/tr1/nexttowardf.cpp",
-        "boost/libs/math/build/../src/tr1/roundf.cpp",
-        "boost/libs/math/build/../src/tr1/tgammaf.cpp",
-        "boost/libs/math/build/../src/tr1/truncf.cpp"
+        "boost/libs/math/src/tr1/acoshf.cpp",
+        "boost/libs/math/src/tr1/asinhf.cpp",
+        "boost/libs/math/src/tr1/atanhf.cpp",
+        "boost/libs/math/src/tr1/cbrtf.cpp",
+        "boost/libs/math/src/tr1/copysignf.cpp",
+        "boost/libs/math/src/tr1/erfcf.cpp",
+        "boost/libs/math/src/tr1/erff.cpp",
+        "boost/libs/math/src/tr1/expm1f.cpp",
+        "boost/libs/math/src/tr1/fmaxf.cpp",
+        "boost/libs/math/src/tr1/fminf.cpp",
+        "boost/libs/math/src/tr1/fpclassifyf.cpp",
+        "boost/libs/math/src/tr1/hypotf.cpp",
+        "boost/libs/math/src/tr1/lgammaf.cpp",
+        "boost/libs/math/src/tr1/llroundf.cpp",
+        "boost/libs/math/src/tr1/log1pf.cpp",
+        "boost/libs/math/src/tr1/lroundf.cpp",
+        "boost/libs/math/src/tr1/nextafterf.cpp",
+        "boost/libs/math/src/tr1/nexttowardf.cpp",
+        "boost/libs/math/src/tr1/roundf.cpp",
+        "boost/libs/math/src/tr1/tgammaf.cpp",
+        "boost/libs/math/src/tr1/truncf.cpp"
     ],
     "compilation-version": {
         "c++": 2011
diff --git a/GLD_boost-math-c99l.json b/GLD_boost-math-c99l.json
index f02a13d..45a2d36 100644
--- a/GLD_boost-math-c99l.json
+++ b/GLD_boost-math-c99l.json
@@ -6,27 +6,27 @@
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
     "source": [
-        "boost/libs/math/build/../src/tr1/acoshl.cpp",
-        "boost/libs/math/build/../src/tr1/asinhl.cpp",
-        "boost/libs/math/build/../src/tr1/atanhl.cpp",
-        "boost/libs/math/build/../src/tr1/cbrtl.cpp",
-        "boost/libs/math/build/../src/tr1/copysignl.cpp",
-        "boost/libs/math/build/../src/tr1/erfcl.cpp",
-        "boost/libs/math/build/../src/tr1/erfl.cpp",
-        "boost/libs/math/build/../src/tr1/expm1l.cpp",
-        "boost/libs/math/build/../src/tr1/fmaxl.cpp",
-        "boost/libs/math/build/../src/tr1/fminl.cpp",
-        "boost/libs/math/build/../src/tr1/fpclassifyl.cpp",
-        "boost/libs/math/build/../src/tr1/hypotl.cpp",
-        "boost/libs/math/build/../src/tr1/lgammal.cpp",
-        "boost/libs/math/build/../src/tr1/llroundl.cpp",
-        "boost/libs/math/build/../src/tr1/log1pl.cpp",
-        "boost/libs/math/build/../src/tr1/lroundl.cpp",
-        "boost/libs/math/build/../src/tr1/nextafterl.cpp",
-        "boost/libs/math/build/../src/tr1/nexttowardl.cpp",
-        "boost/libs/math/build/../src/tr1/roundl.cpp",
-        "boost/libs/math/build/../src/tr1/tgammal.cpp",
-        "boost/libs/math/build/../src/tr1/truncl.cpp"
+        "boost/libs/math/src/tr1/acoshl.cpp",
+        "boost/libs/math/src/tr1/asinhl.cpp",
+        "boost/libs/math/src/tr1/atanhl.cpp",
+        "boost/libs/math/src/tr1/cbrtl.cpp",
+        "boost/libs/math/src/tr1/copysignl.cpp",
+        "boost/libs/math/src/tr1/erfcl.cpp",
+        "boost/libs/math/src/tr1/erfl.cpp",
+        "boost/libs/math/src/tr1/expm1l.cpp",
+        "boost/libs/math/src/tr1/fmaxl.cpp",
+        "boost/libs/math/src/tr1/fminl.cpp",
+        "boost/libs/math/src/tr1/fpclassifyl.cpp",
+        "boost/libs/math/src/tr1/hypotl.cpp",
+        "boost/libs/math/src/tr1/lgammal.cpp",
+        "boost/libs/math/src/tr1/llroundl.cpp",
+        "boost/libs/math/src/tr1/log1pl.cpp",
+        "boost/libs/math/src/tr1/lroundl.cpp",
+        "boost/libs/math/src/tr1/nextafterl.cpp",
+        "boost/libs/math/src/tr1/nexttowardl.cpp",
+        "boost/libs/math/src/tr1/roundl.cpp",
+        "boost/libs/math/src/tr1/tgammal.cpp",
+        "boost/libs/math/src/tr1/truncl.cpp"
     ],
     "compilation-version": {
         "c++": 2011
diff --git a/GLD_boost-math-tr1.json b/GLD_boost-math-tr1.json
index 6a3b807..8875375 100644
--- a/GLD_boost-math-tr1.json
+++ b/GLD_boost-math-tr1.json
@@ -6,27 +6,27 @@
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
     "source": [
-        "boost/libs/math/build/../src/tr1/assoc_laguerre.cpp",
-        "boost/libs/math/build/../src/tr1/assoc_legendre.cpp",
-        "boost/libs/math/build/../src/tr1/beta.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_1.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_2.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_3.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_i.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_j.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_k.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_neumann.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_1.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_2.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_3.cpp",
-        "boost/libs/math/build/../src/tr1/expint.cpp",
-        "boost/libs/math/build/../src/tr1/hermite.cpp",
-        "boost/libs/math/build/../src/tr1/laguerre.cpp",
-        "boost/libs/math/build/../src/tr1/legendre.cpp",
-        "boost/libs/math/build/../src/tr1/riemann_zeta.cpp",
-        "boost/libs/math/build/../src/tr1/sph_bessel.cpp",
-        "boost/libs/math/build/../src/tr1/sph_legendre.cpp",
-        "boost/libs/math/build/../src/tr1/sph_neumann.cpp"
+        "boost/libs/math/src/tr1/assoc_laguerre.cpp",
+        "boost/libs/math/src/tr1/assoc_legendre.cpp",
+        "boost/libs/math/src/tr1/beta.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_1.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_2.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_3.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_i.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_j.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_k.cpp",
+        "boost/libs/math/src/tr1/cyl_neumann.cpp",
+        "boost/libs/math/src/tr1/ellint_1.cpp",
+        "boost/libs/math/src/tr1/ellint_2.cpp",
+        "boost/libs/math/src/tr1/ellint_3.cpp",
+        "boost/libs/math/src/tr1/expint.cpp",
+        "boost/libs/math/src/tr1/hermite.cpp",
+        "boost/libs/math/src/tr1/laguerre.cpp",
+        "boost/libs/math/src/tr1/legendre.cpp",
+        "boost/libs/math/src/tr1/riemann_zeta.cpp",
+        "boost/libs/math/src/tr1/sph_bessel.cpp",
+        "boost/libs/math/src/tr1/sph_legendre.cpp",
+        "boost/libs/math/src/tr1/sph_neumann.cpp"
     ],
     "compilation-version": {
         "c++": 2011
diff --git a/GLD_boost-math-tr1f.json b/GLD_boost-math-tr1f.json
index 5a017bd..1ba1e81 100644
--- a/GLD_boost-math-tr1f.json
+++ b/GLD_boost-math-tr1f.json
@@ -6,27 +6,27 @@
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
     "source": [
-        "boost/libs/math/build/../src/tr1/assoc_laguerref.cpp",
-        "boost/libs/math/build/../src/tr1/assoc_legendref.cpp",
-        "boost/libs/math/build/../src/tr1/betaf.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_1f.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_2f.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_3f.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_if.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_jf.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_kf.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_neumannf.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_1f.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_2f.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_3f.cpp",
-        "boost/libs/math/build/../src/tr1/expintf.cpp",
-        "boost/libs/math/build/../src/tr1/hermitef.cpp",
-        "boost/libs/math/build/../src/tr1/laguerref.cpp",
-        "boost/libs/math/build/../src/tr1/legendref.cpp",
-        "boost/libs/math/build/../src/tr1/riemann_zetaf.cpp",
-        "boost/libs/math/build/../src/tr1/sph_besself.cpp",
-        "boost/libs/math/build/../src/tr1/sph_legendref.cpp",
-        "boost/libs/math/build/../src/tr1/sph_neumannf.cpp"
+        "boost/libs/math/src/tr1/assoc_laguerref.cpp",
+        "boost/libs/math/src/tr1/assoc_legendref.cpp",
+        "boost/libs/math/src/tr1/betaf.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_1f.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_2f.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_3f.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_if.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_jf.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_kf.cpp",
+        "boost/libs/math/src/tr1/cyl_neumannf.cpp",
+        "boost/libs/math/src/tr1/ellint_1f.cpp",
+        "boost/libs/math/src/tr1/ellint_2f.cpp",
+        "boost/libs/math/src/tr1/ellint_3f.cpp",
+        "boost/libs/math/src/tr1/expintf.cpp",
+        "boost/libs/math/src/tr1/hermitef.cpp",
+        "boost/libs/math/src/tr1/laguerref.cpp",
+        "boost/libs/math/src/tr1/legendref.cpp",
+        "boost/libs/math/src/tr1/riemann_zetaf.cpp",
+        "boost/libs/math/src/tr1/sph_besself.cpp",
+        "boost/libs/math/src/tr1/sph_legendref.cpp",
+        "boost/libs/math/src/tr1/sph_neumannf.cpp"
     ],
     "compilation-version": {
         "c++": 2011
diff --git a/GLD_boost-math-tr1l.json b/GLD_boost-math-tr1l.json
index 1062f2f..54bc0d3 100644
--- a/GLD_boost-math-tr1l.json
+++ b/GLD_boost-math-tr1l.json
@@ -6,27 +6,27 @@
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
     "source": [
-        "boost/libs/math/build/../src/tr1/assoc_laguerrel.cpp",
-        "boost/libs/math/build/../src/tr1/assoc_legendrel.cpp",
-        "boost/libs/math/build/../src/tr1/betal.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_1l.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_2l.cpp",
-        "boost/libs/math/build/../src/tr1/comp_ellint_3l.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_il.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_jl.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_bessel_kl.cpp",
-        "boost/libs/math/build/../src/tr1/cyl_neumannl.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_1l.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_2l.cpp",
-        "boost/libs/math/build/../src/tr1/ellint_3l.cpp",
-        "boost/libs/math/build/../src/tr1/expintl.cpp",
-        "boost/libs/math/build/../src/tr1/hermitel.cpp",
-        "boost/libs/math/build/../src/tr1/laguerrel.cpp",
-        "boost/libs/math/build/../src/tr1/legendrel.cpp",
-        "boost/libs/math/build/../src/tr1/riemann_zetal.cpp",
-        "boost/libs/math/build/../src/tr1/sph_bessell.cpp",
-        "boost/libs/math/build/../src/tr1/sph_legendrel.cpp",
-        "boost/libs/math/build/../src/tr1/sph_neumannl.cpp"
+        "boost/libs/math/src/tr1/assoc_laguerrel.cpp",
+        "boost/libs/math/src/tr1/assoc_legendrel.cpp",
+        "boost/libs/math/src/tr1/betal.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_1l.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_2l.cpp",
+        "boost/libs/math/src/tr1/comp_ellint_3l.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_il.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_jl.cpp",
+        "boost/libs/math/src/tr1/cyl_bessel_kl.cpp",
+        "boost/libs/math/src/tr1/cyl_neumannl.cpp",
+        "boost/libs/math/src/tr1/ellint_1l.cpp",
+        "boost/libs/math/src/tr1/ellint_2l.cpp",
+        "boost/libs/math/src/tr1/ellint_3l.cpp",
+        "boost/libs/math/src/tr1/expintl.cpp",
+        "boost/libs/math/src/tr1/hermitel.cpp",
+        "boost/libs/math/src/tr1/laguerrel.cpp",
+        "boost/libs/math/src/tr1/legendrel.cpp",
+        "boost/libs/math/src/tr1/riemann_zetal.cpp",
+        "boost/libs/math/src/tr1/sph_bessell.cpp",
+        "boost/libs/math/src/tr1/sph_legendrel.cpp",
+        "boost/libs/math/src/tr1/sph_neumannl.cpp"
     ],
     "compilation-version": {
         "c++": 2011
diff --git a/GLD_boost-numpy39.json b/GLD_boost-numpy39.json
index a04ee87..da19cc5 100644
--- a/GLD_boost-numpy39.json
+++ b/GLD_boost-numpy39.json
@@ -5,6 +5,12 @@
     "license":"boost-v1.0",
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
+    "enable-condition":{
+        "dependency-exist": [
+            "python3",
+            "python3-numpy"
+        ]
+    },
     "source": [
         "boost/libs/python/src/numpy/dtype.cpp",
         "boost/libs/python/src/numpy/matrix.cpp",
diff --git a/GLD_boost-python39.json b/GLD_boost-python39.json
index b1deb0f..d3d8e1d 100644
--- a/GLD_boost-python39.json
+++ b/GLD_boost-python39.json
@@ -5,6 +5,11 @@
     "license":"boost-v1.0",
     "license-file":"file://boost/LICENCE_1_0.txt",
     "version":"file://version.txt",
+    "enable-condition":{
+        "dependency-exist": [
+            "python3"
+        ]
+    },
     "source": [
         "boost/libs/python/src/list.cpp",
         "boost/libs/python/src/long.cpp",
diff --git a/GLD_boost.json b/GLD_boost.json
index 8f5f260..ed3611f 100644
--- a/GLD_boost.json
+++ b/GLD_boost.json
@@ -28,8 +28,16 @@
         "boost-math-tr1l",
         "boost-nowide",
         "boost-program-options",
-        "boost-python39",
-        "boost-numpy39",
+        {
+            "name": "boost-python39",
+            "optional": true,
+            "export": true,
+        },
+        {
+            "name": "boost-numpy39",
+            "optional": true,
+            "export": true,
+        },
         "boost-random",
         "boost-serialization",
         "boost-wserialization",