Fix build and add 32bit compat patch.

Fix the cmake macros to work with the new cmake changes.

Add a patch to correct the handling of file sizes with 32 bit size_t on
32 bit architectures.

bloaty-1.1-longlong.patch

@@ -0,0 +1,18 @@
+diff -up ./src/elf.cc.2 ./src/elf.cc
+--- ./src/elf.cc.2	2020-08-02 17:34:06.872636546 -0400
++++ ./src/elf.cc	2020-08-02 17:34:26.293491457 -0400
+@@ -794,12 +794,12 @@ void ForEachElf(const InputFile& file, R
+ //
+ // - 24 bits for index (up to 16M symbols with -ffunction-sections)
+ // - 40 bits for address (up to 1TB section)
+-static uint64_t ToVMAddr(size_t addr, long ndx, bool is_object) {
++static uint64_t ToVMAddr(uint64_t addr, int64_t ndx, bool is_object) {
+   if (is_object) {
+     if (ndx >= 1 << 24) {
+       THROW("ndx overflow: too many sections");
+     }
+-    if (addr >= 1UL << 40) {
++    if (addr >= 1ULL << 40) {
+       THROW("address overflow: section too big");
+     }
+     return (ndx << 40) | addr;

bloaty.spec

@@ -9,6 +9,8 @@ URL:            https://github.com/google/bloaty
 Source0:        https://github.com/google/bloaty/archive/v%{version}/%{name}-%{version}.tar.gz
 # Patch to use system versions of abseil, google-test and google-mock
 Patch0:         bloaty-1.1-absl.patch
+# Patch to fix size detection function to use 64 bit types on 32bit architectures
+Patch1:         bloaty-1.1-longlong.patch
 
 BuildRequires:  abseil-cpp-devel
 BuildRequires:  capstone-devel
@@ -30,7 +32,7 @@ libraries. Bloaty supports the ELF and Mach-O formats, and has experimental
 support for WebAssembly.
 
 %prep
-%autosetup -S gendiff
+%autosetup -p0 -S gendiff
 
 
 %build
@@ -39,14 +41,14 @@ support for WebAssembly.
   -DBUILD_SHARED_LIBS=OFF \
   -DBLOATY_ENABLE_CMAKETARGETS=OFF \
   -DBUILD_TESTING=ON
-%make_build
+%cmake_build
 
 
 %install
-%make_install
+%cmake_install
 
 %check
-make test
+%ctest --verbose
 
 %files
 %license LICENSE