Integrated Petr Machata's patch for long double support by Boost.Math (https://bugzilla.redhat.com/show_bug.cgi?id=783660).

boost-1.48.0-cmakeify-full.patch

@@ -5740,6 +5740,18 @@ index 0000000..84080d5
 +)
 +
 +
+diff --git a/libs/math/config/has_long_double_support.cpp b/libs/math/config/has_long_double_support.cpp
+index d314cf3..9022408 100644
+--- a/libs/math/config/has_long_double_support.cpp
++++ b/libs/math/config/has_long_double_support.cpp
+@@ -8,3 +8,7 @@
+ #ifdef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
+ #error "long double support is not supported by Boost.Math on this Plaform: the long double version of the TR1 library will not be built."
+ #endif
++
++int main(int argc, char *argv[]) {
++  return 0;
++}
 diff --git a/libs/math/module.cmake b/libs/math/module.cmake
 new file mode 100644
 index 0000000..e222098
@@ -5750,10 +5762,10 @@ index 0000000..e222098
 \ No newline at end of file
 diff --git a/libs/math/src/tr1/CMakeLists.txt b/libs/math/src/tr1/CMakeLists.txt
 new file mode 100644
-index 0000000..692fa72
+index 0000000..865062a
 --- /dev/null
 +++ b/libs/math/src/tr1/CMakeLists.txt
-@@ -0,0 +1,76 @@
+@@ -0,0 +1,84 @@
 +boost_add_library(math_tr1
 +
 +	assoc_laguerre.cpp assoc_legendre.cpp beta.cpp
@@ -5782,20 +5794,6 @@ index 0000000..692fa72
 +	COMPILE_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}"
 +)
 +
-+boost_add_library(math_tr1l
-+
-+	assoc_laguerrel.cpp assoc_legendrel.cpp betal.cpp
-+	comp_ellint_1l.cpp comp_ellint_2l.cpp comp_ellint_3l.cpp
-+	cyl_bessel_il.cpp cyl_bessel_jl.cpp cyl_bessel_kl.cpp
-+	cyl_neumannl.cpp ellint_1l.cpp ellint_2l.cpp ellint_3l.cpp
-+	expintl.cpp hermitel.cpp laguerrel.cpp legendrel.cpp
-+	riemann_zetal.cpp sph_bessell.cpp sph_legendrel.cpp
-+	sph_neumannl.cpp
-+
-+	SHARED_COMPILE_FLAGS "-DBOOST_MATH_TR1_DYN_LINK=1"
-+	COMPILE_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}"
-+)
-+
 +boost_add_library(math_c99
 +
 +	acosh.cpp asinh.cpp atanh.cpp cbrt.cpp copysign.cpp erfc.cpp
@@ -5819,17 +5817,39 @@ index 0000000..692fa72
 +	COMPILE_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}"
 +)
 +
-+boost_add_library(math_c99l
++try_compile(HAS_LONG_DOUBLE_SUPPORT
++	${CMAKE_CURRENT_SOURCE_DIR}/../../config/
++	${CMAKE_CURRENT_SOURCE_DIR}/../../config/has_long_double_support.cpp)
 +
-+	acoshl.cpp asinhl.cpp atanhl.cpp cbrtl.cpp copysignl.cpp
-+	erfcl.cpp erfl.cpp expm1l.cpp fmaxl.cpp fminl.cpp
-+	fpclassifyl.cpp hypotl.cpp lgammal.cpp llroundl.cpp log1pl.cpp
-+	lroundl.cpp nextafterl.cpp nexttowardl.cpp roundl.cpp
-+	tgammal.cpp truncl.cpp
++IF (HAS_LONG_DOUBLE_SUPPORT)
++	boost_add_library(math_tr1l
 +
-+	SHARED_COMPILE_FLAGS "-DBOOST_MATH_TR1_DYN_LINK=1"
-+	COMPILE_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}"
-+)
++		assoc_laguerrel.cpp assoc_legendrel.cpp betal.cpp
++		comp_ellint_1l.cpp comp_ellint_2l.cpp comp_ellint_3l.cpp
++		cyl_bessel_il.cpp cyl_bessel_jl.cpp cyl_bessel_kl.cpp
++		cyl_neumannl.cpp ellint_1l.cpp ellint_2l.cpp ellint_3l.cpp
++		expintl.cpp hermitel.cpp laguerrel.cpp legendrel.cpp
++		riemann_zetal.cpp sph_bessell.cpp sph_legendrel.cpp
++		sph_neumannl.cpp
++
++		SHARED_COMPILE_FLAGS "-DBOOST_MATH_TR1_DYN_LINK=1"
++		COMPILE_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}"
++	)
++
++	boost_add_library(math_c99l
++
++		acoshl.cpp asinhl.cpp atanhl.cpp cbrtl.cpp copysignl.cpp
++		erfcl.cpp erfl.cpp expm1l.cpp fmaxl.cpp fminl.cpp
++		fpclassifyl.cpp hypotl.cpp lgammal.cpp llroundl.cpp log1pl.cpp
++		lroundl.cpp nextafterl.cpp nexttowardl.cpp roundl.cpp
++		tgammal.cpp truncl.cpp
++
++		SHARED_COMPILE_FLAGS "-DBOOST_MATH_TR1_DYN_LINK=1"
++		COMPILE_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}"
++	)
++ELSE ()
++	colormsg(RED "+-- long double not supported, skipping math_*l libraries.")
++ENDIF ()
 diff --git a/libs/math/test/CMakeLists.txt b/libs/math/test/CMakeLists.txt
 new file mode 100644
 index 0000000..88f26b7