diff --git a/meson.build b/meson.build
index cddb78307..77bd8288c 100644
--- a/meson.build
+++ b/meson.build
@@ -20,7 +20,7 @@ copt_msvc = cpp_compiler.get_id() in [ 'msvc' ]
 
 if cpp_compiler.get_id() in [ 'msvc' ]
 	copt_compiler = 'msvc'
-elif cpp_compiler.get_id() in [ 'gcc' ]
+elif cpp_compiler.get_id() in [ 'gcc', 'clang' ]
 	copt_compiler = 'gcc'
 else
 	warning('unsupported compiler: ' + cpp_compiler.get_id() + '; you are on your own')
@@ -53,7 +53,7 @@ endif
 
 uopt_static = get_option('static')
 use_tpt_libs = 'no'
-tpt_libs_vtag = 'v20210320221332'
+tpt_libs_vtag = 'v20210409104352'
 if uopt_static == 'system'
 	if copt_platform == 'win'
 		error('no way to find static system libraries on windows')
@@ -208,6 +208,10 @@ else
 			'-fomit-frame-pointer',
 		]
 	endif
+	if copt_platform == 'mac'
+		args_ccomp += [ '-mmacosx-version-min=10.9' ]
+		project_link_args += [ '-mmacosx-version-min=10.9' ]
+	endif
 	project_c_args += args_ccomp
 	project_cpp_args += args_ccomp + [ '-Wno-invalid-offsetof' ]
 endif
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210320221332.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210320221332.wrap
deleted file mode 100644
index afbdb095c..000000000
--- a/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210320221332.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210320221332
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210320221332/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210320221332.zip
-source_filename = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210320221332.zip
-source_hash = 9589cc47f30bb1f1b19496d5355bade6a8fe84c09de5f4ce4ce394386c3cdb95
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210409104352.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210409104352.wrap
new file mode 100644
index 000000000..fe8d7e218
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210409104352.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210409104352
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210409104352/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210409104352.zip
+source_filename = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210409104352.zip
+source_hash = 540560540220d43e80a516e4b081959725abecf5fc4526bfe82135b93c5dadc6
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210320221332.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210320221332.wrap
deleted file mode 100644
index a953b0d64..000000000
--- a/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210320221332.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-i686-win-msvc-static-v20210320221332
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210320221332/tpt-libs-prebuilt-i686-win-msvc-static-v20210320221332.zip
-source_filename = tpt-libs-prebuilt-i686-win-msvc-static-v20210320221332.zip
-source_hash = c3f8174885766df351be0597dc98315bb99e4b39a58d3b2d629956642b6c64bf
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210409104352.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210409104352.wrap
new file mode 100644
index 000000000..851b545a1
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210409104352.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-i686-win-msvc-static-v20210409104352
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210409104352/tpt-libs-prebuilt-i686-win-msvc-static-v20210409104352.zip
+source_filename = tpt-libs-prebuilt-i686-win-msvc-static-v20210409104352.zip
+source_hash = d9c6bfe60178d6948700d702d06cf2c189b64c912659c3e908610a9e284abad6
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210320221332.wrap b/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210320221332.wrap
deleted file mode 100644
index f03691c8e..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210320221332.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210320221332
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210320221332/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210320221332.zip
-source_filename = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210320221332.zip
-source_hash = 9b2c0031f724e3f66447f74f3975af8da9f9fa4dff717f21e58dd3ef525af7a9
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210409104352.wrap b/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210409104352.wrap
new file mode 100644
index 000000000..c6bb3419a
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210409104352.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210409104352
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210409104352/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210409104352.zip
+source_filename = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210409104352.zip
+source_hash = ea6761ceaf903b97cf695c6e703a903d8598216b894699c6d33df01612fcfd45
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210320221332.wrap b/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210320221332.wrap
deleted file mode 100644
index 6ad053030..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210320221332.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210320221332
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210320221332/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210320221332.zip
-source_filename = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210320221332.zip
-source_hash = 478f9fe93376439b2b9f07f22009433a264ebb40f11fa493f6b12f6540392125
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210409104352.wrap b/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210409104352.wrap
new file mode 100644
index 000000000..9b6fce25a
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210409104352.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210409104352
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210409104352/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210409104352.zip
+source_filename = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210409104352.zip
+source_hash = ed380d140e823442e280aa86c8b957cb78d32dea6a38ff09628d346a94bf4ec8
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210320221332.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210320221332.wrap
deleted file mode 100644
index 30923e78a..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210320221332.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210320221332
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210320221332/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210320221332.zip
-source_filename = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210320221332.zip
-source_hash = 622b81d1438857e9bf955ed59035e2e99d050b53f4a04befbb4feda4a259e68d
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210409104352.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210409104352.wrap
new file mode 100644
index 000000000..ee42b7666
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210409104352.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210409104352
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210409104352/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210409104352.zip
+source_filename = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210409104352.zip
+source_hash = 28044391e5caad42e4707cb75a4684f562a595d2c415d4d76b400cf91a7a8d8e
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210320221332.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210320221332.wrap
deleted file mode 100644
index 003ea6dda..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210320221332.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210320221332
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210320221332/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210320221332.zip
-source_filename = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210320221332.zip
-source_hash = 20d647a5fd64c1bb7118ed8843c21845bcf648f39efa925b2a38757c0eb8f562
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210409104352.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210409104352.wrap
new file mode 100644
index 000000000..14571435c
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210409104352.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210409104352
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210409104352/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210409104352.zip
+source_filename = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210409104352.zip
+source_hash = 3b7265612a3030624f0b8d01b861dcc77c68638316ada94bc61488639d87672b